C.R. Reddy Cancer Center · Leela Mahal Road, Nellore
Dr. Haritha ChiramanaMD, DMSenior medical oncologist & hemato-oncologistNellore Patient guides Book a Consultation
For health professionals. This section uses clinical terms and is general education for doctors, nurses and students, not advice for an individual patient. Patients and families: please read our patient guides instead, Cancer Myth Busters · Understanding your cancer report · Living through cancer treatment, or speak with your own doctor.
← Head & Neck Cancer mini review

Head & Neck Cancer: MCQ bank

116 clinical-vignette questions in three levels: 39 basics, 43 applied and innovative, and 34 challenging (28 Oral, 29 Oropharynx, 16 Larynx, 35 Recurrent, 8 Nasopharynx; 6 built on schematic imaging, endoscopy or histology drawings). Practise question by question with instant marking, or take a timed mock test with a result summary by topic, level and section. You can also print the page as a booklet.

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Topic

Level 1 · Basics

Core facts for NEET-PG and USMLE Step 1–2: histology, risk factors, presentation, staging and first-line principles.

Q1OralLevel 1At a glance

Which is the commonest cancer among men in India (GLOBOCAN 2022)?

  1. AStomach cancer
  2. BLung cancer
  3. CProstate cancer
  4. DColorectal cancer
  5. ELip and oral cavity cancer
Show answer

Answer: E. Lip and oral cavity cancer leads among Indian men, driven by smokeless tobacco and areca nut; India carries about a third of the world burden.

Review: section 01

Q2OralLevel 1Presentation, traps & genetics

Which habit is the main cause of buccal mucosa cancer in India?

  1. AChewing tobacco and areca nut (gutka, khaini, pan)
  2. BSpicy food
  3. CMobile phone use
  4. DDrinking hot tea
  5. EUsing toothpowder
Show answer

Answer: A. Oral tobacco and areca nut quid are the dominant causes of buccal and gingivobuccal cancers; areca nut is a carcinogen even without tobacco.

Review: section 02

Q3OralLevel 1Presentation, traps & genetics

Which oral lesion carries the highest risk of malignant change?

  1. AErythroplakia
  2. BFordyce spots
  3. CLinea alba
  4. DHomogeneous leukoplakia
  5. EGeographic tongue
Show answer

Answer: A. A red velvety patch (erythroplakia) frequently shows dysplasia or carcinoma on biopsy; leukoplakia and submucous fibrosis carry lower but real risk.

Review: section 02

Q4OralLevel 1Presentation, traps & genetics

Progressive trismus with blanched, stiff buccal mucosa in an areca nut chewer suggests:

  1. AOral submucous fibrosis
  2. BTemporomandibular joint dislocation
  3. CCandidiasis
  4. DTetanus
  5. ELichen planus
Show answer

Answer: A. Oral submucous fibrosis is caused by areca nut; it is potentially malignant and makes examination difficult.

Review: section 02

Q5OralLevel 1Presentation, traps & genetics

A mouth ulcer persists 2 weeks after a sharp tooth was smoothed. What next?

  1. AAntituberculous treatment
  2. BReview in 6 months
  3. CAnother course of antibiotics
  4. DTopical steroid for a month
  5. EBiopsy the ulcer
Show answer

Answer: E. Any ulcer, patch or lump persisting 2 weeks after removing an irritant needs a biopsy; empirical treatment delays diagnosis.

Review: section 02

Q6OralLevel 1ImagePresentation, traps & genetics

A 58-year-old gutka user has the tongue lesion shown (schematic). What is the most likely diagnosis of the right-sided lesion?

rightleftSchematic drawing · not a patient image
  1. AAphthous ulcer
  2. BSquamous cell carcinoma
  3. CGeographic tongue
  4. DTraumatic ulcer that needs no biopsy
  5. EHerpetic ulcer
Show answer

Answer: B. An indurated ulcer with raised rolled edges on the lateral tongue in a tobacco user is squamous carcinoma until biopsy proves otherwise. The left white patch is a leukoplakia to biopsy as well.

Review: section 02

Q7OralLevel 1Screening, workup & staging

In the AJCC 8th edition, which feature was added to the oral cavity T category?

  1. APerineural invasion
  2. BGrade
  3. CDepth of invasion
  4. DTumour thickness
  5. EHPV status
Show answer

Answer: C. DOI (>5 mm = at least T2; >10 mm = T3) joined size; tumour thickness is not the same measurement.

Review: section 03

Q8OralLevel 1Screening, workup & staging

An oral tongue cancer measures 1.8 cm with DOI 7 mm. What is its T category?

  1. AT3
  2. BT4a
  3. CT1
  4. DT2
  5. ETis
Show answer

Answer: D. Tumours ≤2 cm with DOI over 5 mm and up to 10 mm are T2.

Review: section 03

Q9OralLevel 1Local therapy

What is the preferred primary treatment for a resectable early oral cavity cancer?

  1. AChemotherapy alone
  2. BObservation
  3. CImmunotherapy
  4. DDefinitive radiotherapy
  5. ESurgery
Show answer

Answer: E. Surgery gives pathological staging and less long-term morbidity than radiotherapy to the mouth; RT is for those who cannot have surgery.

Review: section 05

Q10OralLevel 1Local therapy

Which mandibular operation is needed when tumour invades the medullary bone?

  1. ANo bone resection
  2. BSegmental mandibulectomy
  3. CAlveolectomy only
  4. DCoronoidectomy
  5. EMarginal mandibulectomy
Show answer

Answer: B. Medullary invasion needs segmental resection, usually reconstructed with a vascularised fibula flap and plate.

Review: section 05

Q11OralLevel 1Local therapy

Which free flap is the commonest choice to reconstruct a segmental mandible defect?

  1. ALatissimus dorsi
  2. BFibula
  3. CRectus abdominis
  4. DRadial forearm (soft tissue only)
  5. ETemporalis
Show answer

Answer: B. The fibula provides up to 25 cm of bone that tolerates multiple osteotomies and can take dental implants.

Review: section 05

Q12OropharynxLevel 1Screening, workup & staging

Which subsite is part of the oropharynx?

  1. AAnterior two-thirds of tongue
  2. BPyriform sinus
  3. CHard palate
  4. DBase of tongue
  5. EVocal cord
Show answer

Answer: D. The oropharynx includes the tonsils, base of tongue, soft palate and posterior pharyngeal wall; the oral tongue belongs to the oral cavity.

Review: section 03

Q13OropharynxLevel 1Biomarkers

Which virus causes most tonsil and base-of-tongue cancers in high-income countries?

  1. AHPV type 16
  2. BCMV
  3. CEBV
  4. DHSV-1
  5. EHepatitis C
Show answer

Answer: A. HPV-16 causes 70–80% of oropharyngeal cancers in the US and Western Europe; EBV is linked with nasopharyngeal carcinoma.

Review: section 04

Q14OropharynxLevel 1Local therapy

Which test is the standard surrogate for HPV in oropharyngeal cancer?

  1. AEGFR IHC
  2. BKi-67
  3. Cp16 immunohistochemistry
  4. DSerum SCC antigen
  5. EPD-L1 TPS
Show answer

Answer: C. Strong, diffuse nuclear and cytoplasmic p16 staining in ≥70% of cells; confirm with HPV DNA/RNA when decisions hinge on it.

Review: section 05

Q15OropharynxLevel 1ImageBiomarkers

The oropharyngeal tumour shows this staining pattern on p16 IHC (schematic). How is it interpreted?

Schematic drawing · not a patient image
  1. ALymphoma
  2. Bp16-positive: HPV-associated, staged with the HPV table
  3. Cp16-negative
  4. DNon-diagnostic
  5. EMelanoma
Show answer

Answer: B. Block-type strong nuclear and cytoplasmic staining in nearly all cells meets the ≥70% threshold.

Review: section 04

Q16OropharynxLevel 1ImagePresentation, traps & genetics

A 44-year-old non-smoker has a painless cystic lump at level II (CT schematic). What is the most likely diagnosis?

RSchematic drawing · not a patient image
  1. ATuberculous lymphadenitis
  2. BMetastatic HPV-associated oropharyngeal squamous carcinoma
  3. CLipoma
  4. DThyroglossal cyst
  5. EBranchial cyst
Show answer

Answer: B. A cystic level II node in an adult is metastatic cancer until proven otherwise, typically from an HPV-associated tonsil or base-of-tongue primary.

Review: section 02

Q17OropharynxLevel 1Local therapy

Compared with HPV-negative disease, HPV-associated oropharyngeal cancer has:

  1. AWorse survival
  2. BMore bone invasion
  3. CBetter survival
  4. DIdentical survival
  5. EMore second primaries
Show answer

Answer: C. In RTOG 0129, 3-year survival was about 82% vs 57%. HPV-associated cancers are more sensitive to chemoradiation.

Review: section 05

Q18LarynxLevel 1Presentation, traps & genetics

Which symptom typically brings glottic cancer to attention early?

  1. AHaemoptysis
  2. BStridor
  3. COtalgia
  4. DHoarseness
  5. ENeck mass
Show answer

Answer: D. The vocal cords vibrate to make voice, so even small tumours cause hoarseness; glottic cancers are often found at stage I.

Review: section 02

Q19LarynxLevel 1Presentation, traps & genetics

Hoarseness for 4 weeks in a 60-year-old smoker. What should be done?

  1. AAntibiotics and review in a month
  2. BVoice rest only
  3. CLaryngoscopy
  4. DChest X-ray only
  5. ESteroid inhaler
Show answer

Answer: C. Hoarseness >3 weeks, especially in a smoker, needs visualisation of the larynx.

Review: section 02

Q20LarynxLevel 1Local therapy

Why is elective neck treatment not needed for T1–T2 glottic cancer?

  1. ARadiotherapy cannot treat the neck
  2. BNeck dissection is dangerous
  3. CThe neck is always involved
  4. DThe true cords have sparse lymphatics, so nodal spread is rare
  5. EIt is midline
Show answer

Answer: D. Glottic cancer rarely spreads to nodes; supraglottic and hypopharyngeal cancers often do and need bilateral neck treatment.

Review: section 05

Q21LarynxLevel 1Presentation, traps & genetics

Which site tends to present late with nodal disease and a poor prognosis?

  1. ALip
  2. BGlottis
  3. CHypopharynx (pyriform sinus)
  4. DLower gingiva
  5. EHard palate
Show answer

Answer: C. Hypopharyngeal cancers grow silently in a rich lymphatic area and usually present at stage III–IV.

Review: section 02

Q22LarynxLevel 1ImageScreening, workup & staging

A laryngoscopy schematic is shown. What is the stage if the lesion is limited to one mobile cord and CT is normal?

← anterior commissureSchematic drawing · not a patient image
  1. AT1a N0 (stage I)
  2. BT4a N0
  3. CT1b N0
  4. DT3 N0
  5. ET2 N0
Show answer

Answer: A. Tumour limited to one vocal cord with normal mobility is T1a; both cords would be T1b; impaired mobility T2; fixation T3.

Review: section 03

Q23LarynxLevel 1Local therapy

Which operation is used for a T4a larynx cancer with thyroid cartilage destruction?

  1. ALaser cordectomy
  2. BSupraglottic laryngectomy only
  3. CTonsillectomy
  4. DTracheostomy alone
  5. ETotal laryngectomy with neck dissection
Show answer

Answer: E. Gross cartilage destruction or a non-functioning larynx does better with laryngectomy and adjuvant RT than with organ preservation.

Review: section 05

Q24RecurrentLevel 1ImageAt a glance

Which histology accounts for more than 90% of head and neck cancers?

Schematic drawing · not a patient image
  1. ALymphoma
  2. BMelanoma
  3. CAdenocarcinoma
  4. DSquamous cell carcinoma
  5. ESarcoma
Show answer

Answer: D. Squamous carcinoma dominates the mucosal sites; keratin pearls are typical of well-differentiated tumours.

Review: section 01

Q25RecurrentLevel 1Screening, workup & staging

What is the first test for a hard neck node in an adult tobacco user?

  1. AUltrasound only
  2. BAntituberculous trial
  3. CSerum ADA
  4. DFine-needle aspiration cytology
  5. EExcision biopsy of the node
Show answer

Answer: D. FNAC diagnoses most metastatic squamous carcinoma; open excision before finding the primary can compromise treatment.

Review: section 03

Q26RecurrentLevel 1Screening, workup & staging

When should PET-CT be done to assess response after chemoradiation?

  1. AAbout 12 weeks after completion
  2. B1 week after completion
  3. CDuring week 4 of RT
  4. DNever
  5. E1 year after completion
Show answer

Answer: A. Earlier PET gives false positives from inflammation; a negative 12-week PET has a high negative predictive value.

Review: section 03

Q27RecurrentLevel 1Systemic therapy

Which drug is the standard radiosensitiser in head and neck chemoradiation?

  1. ACisplatin
  2. BMethotrexate
  3. CCetuximab
  4. DPaclitaxel
  5. EGemcitabine
Show answer

Answer: A. Cisplatin has the strongest evidence; cetuximab is inferior and reserved for selected situations.

Review: section 06

Q28RecurrentLevel 1Local therapy

Within how many weeks of surgery should postoperative RT ideally start?

  1. A3 months
  2. B6 weeks
  3. C12 weeks
  4. DThere is no time limit
  5. E6 months
Show answer

Answer: B. Starting later than about 6 weeks and a long total treatment time are linked with more local recurrence.

Review: section 05

Q29RecurrentLevel 1Survivorship

How often should TSH be checked after radiotherapy to the neck?

  1. AOnce at 5 years
  2. BOnly if symptomatic
  3. CEvery 6–12 months
  4. DEvery 5 years
  5. EWeekly
Show answer

Answer: C. Hypothyroidism after neck RT is common and often silent.

Review: section 08

Q30RecurrentLevel 1Survivorship

What is the main trigger for osteoradionecrosis of the mandible?

  1. ADental extraction in irradiated bone
  2. BFluoride use
  3. CChewing gum
  4. DBrushing teeth
  5. EWearing a mouth guard
Show answer

Answer: A. Extractions or trauma in irradiated bone trigger most cases; extract unsalvageable teeth before RT and use fluoride for life.

Review: section 08

Q31RecurrentLevel 1Systemic therapy

Which immune checkpoint inhibitor improved survival in platinum-refractory head and neck cancer in CheckMate 141?

  1. AIpilimumab alone
  2. BAvelumab
  3. CDurvalumab
  4. DAtezolizumab
  5. ENivolumab
Show answer

Answer: E. Nivolumab improved median OS (7.7 vs 5.1 months) and 1-year OS (34 vs 20%) over single-agent chemotherapy or cetuximab.

Review: section 06

Q32RecurrentLevel 1Biomarkers

Which biomarker decides first-line pembrolizumab in recurrent/metastatic head and neck cancer?

  1. AEGFR expression
  2. BHER2
  3. CPD-L1 combined positive score (CPS)
  4. DTMB
  5. Ep53
Show answer

Answer: C. CPS counts PD-L1-positive tumour and immune cells per 100 tumour cells; CPS ≥1 and ≥20 guide choices.

Review: section 04

Q33RecurrentLevel 1Survivorship

What proportion of recurrences of head and neck cancer appear within the first 2–3 years?

  1. AAbout 50%
  2. BAbout 10%
  3. CAbout 80–90%
  4. DAbout 30%
  5. EAlmost none
Show answer

Answer: C. That is why follow-up is most intensive in years 1–3.

Review: section 08

Q34RecurrentLevel 1Survivorship

Which screening is advised for a head and neck cancer survivor with a 30 pack-year history?

  1. AMonthly chest X-ray
  2. BYearly low-dose chest CT
  3. CNo screening
  4. DYearly PET-CT
  5. ESerum SCC antigen
Show answer

Answer: B. Smokers with ≥20 pack-years are at high risk of second lung primaries.

Review: section 08

Q35OropharynxLevel 1Biomarkers

Which HPV protein targets p53 for degradation?

  1. AE7
  2. BE5
  3. CE6
  4. DL1
  5. EE2
Show answer

Answer: C. E6, with E6-associated protein, degrades p53; E7 inactivates Rb. Integration usually disrupts E2, the repressor of E6 and E7.

Review: section 04

Q36OropharynxLevel 1Biomarkers

Why is p16 over-expressed in HPV-associated cancer?

  1. AE7 inactivates Rb, removing feedback that normally limits p16
  2. Bp16 is a viral protein
  3. CE6 activates p16 directly
  4. DCDKN2A is amplified
  5. ETobacco induces p16
Show answer

Answer: A. With Rb disabled the cell over-produces p16; in tobacco-driven cancer CDKN2A is usually deleted and p16 is low.

Review: section 04

Q37NasopharynxLevel 1Screening, workup & staging

An adult has unilateral serous otitis media and a level V neck node. What must be examined?

  1. AThe larynx only
  2. BThe oral tongue only
  3. CNothing; treat with antibiotics
  4. DThe thyroid only
  5. EThe nasopharynx, with a flexible nasoendoscope
Show answer

Answer: E. Eustachian tube blockage by a nasopharyngeal tumour causes one-sided middle-ear effusion; level V and bilateral nodes are typical of NPC.

Review: section 03

Q38NasopharynxLevel 1Biomarkers

Which virus is linked with most non-keratinising nasopharyngeal carcinomas?

  1. AHTLV-1
  2. BHIV
  3. CHepatitis B
  4. DHPV-16
  5. EEpstein-Barr virus
Show answer

Answer: E. EBER in-situ hybridisation identifies EBV in tumour cells; plasma EBV DNA is a tumour marker.

Review: section 04

Q39NasopharynxLevel 1Screening, workup & staging

Which imaging test best defines local extent of nasopharyngeal carcinoma?

  1. ABarium swallow
  2. BUltrasound of the neck
  3. CPlain X-ray of the skull
  4. DMRI of the nasopharynx, skull base and neck
  5. EBone scan
Show answer

Answer: D. MRI shows skull base, parapharyngeal, perineural and intracranial spread and retropharyngeal nodes better than CT.

Review: section 03

Level 2 · Applied & innovative

Clinical reasoning: calculations (pack-years, predicted lung function, NNT), CT and fluid findings, reading trial results, sequencing traps.

Q40OralLevel 2Local therapy

A 46-year-old has a 1.8 cm lateral tongue SCC with DOI 4 mm and a clinically negative neck. Best management of the neck?

  1. APET-CT and observe
  2. BElective selective neck dissection (or SLNB in an expert centre)
  3. CRadical neck dissection
  4. DNeck RT alone
  5. EObservation
Show answer

Answer: B. D'Cruz: elective neck dissection improved 3-year OS (80 vs 67.5%) in early oral cancer; DOI >3 mm favours elective treatment.

Review: section 05

Q41OralLevel 2Systemic therapy

In the Tata Memorial trial of elective vs therapeutic neck dissection, 3-year overall survival was:

  1. A80% vs 67.5%
  2. B67.5% vs 80%
  3. C50% vs 50%
  4. D95% vs 60%
  5. E90% vs 89%
Show answer

Answer: A. Elective dissection also improved DFS (69.5 vs 45.9%); benefit was clearest with DOI >3 mm.

Review: section 06

Q42OralLevel 2Local therapy

In Senti-MERORL, sentinel node biopsy compared with elective neck dissection gave:

  1. AHigher neck recurrence
  2. BWorse survival
  3. CSimilar neck control and survival with less shoulder morbidity
  4. DBetter survival
  5. EMore complications
Show answer

Answer: C. Five-year neck recurrence-free survival (89.6 vs 89.4%) and OS were similar.

Review: section 05

Q43OralLevel 2Local therapy

After partial glossectomy for T1 cancer the deep margin is 1.5 mm. Next step?

  1. AImmunotherapy
  2. BRe-excision of the margin
  3. CNeck dissection only
  4. DObservation
  5. EChemoradiation
Show answer

Answer: B. Close (<2 mm) or involved margins in early oral cancer are better re-excised than irradiated.

Review: section 05

Q44OralLevel 2Local therapy

After resection of oral cancer, pathology shows clear margins, 2 positive nodes without ENE and perineural invasion. Adjuvant therapy?

  1. AAdjuvant chemotherapy alone
  2. BCetuximab with RT
  3. CPostoperative chemoradiation
  4. DPostoperative RT alone
  5. EObservation
Show answer

Answer: D. Intermediate-risk features → RT alone; cisplatin is added only for positive margins or ENE.

Review: section 05

Q45OralLevel 2Systemic therapy

After resection, the neck node shows extranodal extension. Standard adjuvant therapy for a cisplatin-fit patient?

  1. ART alone
  2. BAdjuvant docetaxel alone
  3. CCetuximab alone
  4. DRT with concurrent cisplatin
  5. EObservation
Show answer

Answer: D. ENE and positive margins are the two features where adding cisplatin helped in both EORTC 22931 and RTOG 9501.

Review: section 06

Q46OralLevel 2Local therapy

A 60-year-old edentulous man has a lower alveolar SCC with minimal cortical erosion on CT. Which bone operation is usually needed?

  1. ASegmental mandibulectomy
  2. BMarginal mandibulectomy
  3. CNo bone resection
  4. DCurettage
  5. ECoronoidectomy
Show answer

Answer: A. The edentulous mandible lacks the dental barrier; even minimal cortical invasion usually needs segmental resection.

Review: section 05

Q47OralLevel 2Local therapy

Why is a free flap recommended for most buccal mucosa resections?

  1. ATo avoid neck dissection
  2. BTo hide recurrence
  3. CTo reline the cheek and prevent severe trismus
  4. DBecause skin grafts are illegal
  5. ETo shorten surgery
Show answer

Answer: C. An unreconstructed buccal defect contracts and causes irreversible trismus.

Review: section 05

Q48OralLevel 2Screening, workup & staging

What does depth of invasion measure?

  1. AFrom the tumour surface to its base
  2. BThickness of the keratin layer
  3. CFrom the basement membrane of adjacent normal mucosa to the deepest tumour
  4. DDistance to the margin
  5. EThe width of the ulcer
Show answer

Answer: C. DOI is measured from the level of the adjacent normal basement membrane, so an exophytic tumour may be thick but shallow.

Review: section 03

Q49OralLevel 2Screening, workup & staging

In the Kerala trial, three rounds of visual oral screening reduced oral cancer mortality among tobacco or alcohol users by about:

  1. A2%
  2. B29%
  3. C50%
  4. D0%
  5. E75%
Show answer

Answer: B. Screening cut oral cancer deaths by 27% overall and 29% in tobacco/alcohol users despite real-life compliance.

Review: section 03

Q50OralLevel 2Biomarkers

A cT4aN2b oral cancer is resectable and PD-L1 CPS is 15. Which strategy improved event-free survival in a randomised trial?

  1. ANeoadjuvant RT alone
  2. BPostoperative avelumab
  3. CNeoadjuvant and adjuvant pembrolizumab with standard surgery and RT
  4. DInduction cetuximab
  5. EAdjuvant methotrexate
Show answer

Answer: C. KEYNOTE-689: 3-year EFS about 60 vs 46% in CPS ≥1; overall survival immature.

Review: section 04

Q51OropharynxLevel 2Biomarkers

Why is HPV status not used to reduce treatment outside trials?

  1. AHPV-positive cancers are more aggressive
  2. BReplacing cisplatin with cetuximab in HPV-positive disease worsened survival
  3. CThere are no trials
  4. DHPV status is unreliable
  5. ECisplatin does not work in HPV disease
Show answer

Answer: B. RTOG 1016 (5-year OS 78 vs 85%) and De-ESCALaTE (2-year OS 89 vs 98%) favoured cisplatin.

Review: section 04

Q52OropharynxLevel 2Screening, workup & staging

An HPV-associated tonsil cancer is 1.5 cm with one ipsilateral 2.8 cm node. AJCC 8th stage?

  1. AStage IVB
  2. BStage III
  3. CStage I
  4. DStage II
  5. EStage IVA
Show answer

Answer: C. HPV-associated T1 N1 (ipsilateral nodes ≤6 cm) is stage I.

Review: section 03

Q53OropharynxLevel 2Biomarkers

Same tumour, but the patient is p16-negative. Stage?

  1. AStage III
  2. BStage II
  3. CStage IVB
  4. DStage I
  5. EStage IVA
Show answer

Answer: A. Non-HPV: T1 N1 (single ipsilateral ≤3 cm) is stage III.

Review: section 04

Q54OropharynxLevel 2Biomarkers

A tumour is p16-positive but HPV DNA-negative. How does it behave?

  1. ALike lymphoma
  2. BBetter than double-positive
  3. CClose to HPV-negative disease
  4. DSame as double-positive
  5. ELike nasopharyngeal cancer
Show answer

Answer: C. In EPIC-OPC, discordant tumours had 5-year OS about 55% vs 81% for double-positive.

Review: section 04

Q55OropharynxLevel 2Local therapy

What was the main finding of ORATOR (RT vs TORS + neck dissection for early oropharynx cancer)?

  1. ATORS avoided all adjuvant therapy
  2. BTORS improved survival
  3. CNo patient needed a feeding tube
  4. DRT caused more deaths
  5. ESwallowing quality of life at 1 year was slightly better with RT, below the clinically meaningful threshold
Show answer

Answer: E. Both are reasonable; choose the route least likely to need extra modalities.

Review: section 05

Q56OropharynxLevel 2Biomarkers

A heavy smoker (40 pack-years) has p16-positive oropharyngeal cancer. What does smoking do to prognosis?

  1. AIt only affects stage
  2. BIt worsens it towards HPV-negative outcomes
  3. CIt makes it nasopharyngeal
  4. DIt improves it
  5. ENo effect
Show answer

Answer: B. Smoking above ~10 pack-years erodes the HPV survival advantage (Gillison 2012).

Review: section 04

Q57OropharynxLevel 2Screening, workup & staging

Squamous cancer in a level II node with no primary on examination. Best order of investigation?

  1. APanendoscopy, then PET-CT a week later
  2. BPET-CT, then panendoscopy with bilateral tonsillectomy and directed biopsies
  3. CChemotherapy and observe
  4. DExcision biopsy of the node
  5. ENeck dissection first
Show answer

Answer: B. PET-CT before instrumentation avoids false positives; tonsillectomy and lingual tonsillectomy find many hidden primaries.

Review: section 03

Q58OropharynxLevel 2Screening, workup & staging

After chemoradiation for N2b disease, 12-week PET-CT shows complete metabolic response but a 1 cm residual node on CT. Management?

  1. AImmediate neck dissection
  2. BChemotherapy
  3. COpen biopsy
  4. DRe-irradiation
  5. EObservation with surveillance
Show answer

Answer: E. A negative PET has a high negative predictive value; PET-NECK showed surveillance is as safe as planned dissection.

Review: section 03

Q59LarynxLevel 2Systemic therapy

In RTOG 91-11, which arm had the best locoregional control?

  1. ART alone
  2. BInduction PF then RT
  3. CTotal laryngectomy
  4. DConcurrent cisplatin-RT
  5. ECetuximab-RT
Show answer

Answer: D. Concurrent therapy: 5-year locoregional control 68% vs 55% (induction) and 51% (RT alone); 10-year survival trended lower than induction.

Review: section 06

Q60LarynxLevel 2Systemic therapy

In the VA larynx trial, what proportion of patients kept their larynx after induction chemotherapy then RT?

  1. ANone
  2. BAll patients
  3. CAbout 10%
  4. DAbout 64%
  5. EAbout 30%
Show answer

Answer: D. Survival equalled laryngectomy (2-year 68%), proving organ preservation was safe.

Review: section 06

Q61LarynxLevel 2Local therapy

A T1a glottic cancer in a 63-year-old. Which is an appropriate option?

  1. ANeck dissection and observe the larynx
  2. BChemoradiation with elective neck
  3. CSmall-field RT or transoral laser cordectomy
  4. DTotal laryngectomy
  5. EPalliative care
Show answer

Answer: C. Both give high control and good voice; no elective neck treatment.

Review: section 05

Q62LarynxLevel 2Local therapy

Which supraglottic T2N0 plan is correct?

  1. ATreat the primary with RT or transoral surgery plus bilateral elective neck (II–IV)
  2. BChemotherapy alone
  3. CTotal laryngectomy
  4. DTreat the primary only
  5. EIpsilateral neck only
Show answer

Answer: A. Supraglottic cancers have rich bilateral lymphatics.

Review: section 05

Q63LarynxLevel 2Systemic therapy

After TPF induction for larynx preservation, why avoid bolus high-dose cisplatin with RT?

  1. AIt is too cheap
  2. BIt causes hypothyroidism
  3. CSevere toxicity rises sharply after cisplatin-based induction
  4. DIt reduces larynx preservation
  5. EIt is ineffective
Show answer

Answer: C. TREMPLIN and TAX 324 experience: use weekly carboplatin or cetuximab-type sensitisers after induction.

Review: section 06

Q64LarynxLevel 2Local therapy

A man has had a total laryngectomy. Which option restores speech best for most patients?

  1. ASign language only
  2. BVocal cord injection
  3. CTracheo-oesophageal puncture with voice prosthesis
  4. DTracheostomy speaking valve
  5. ECochlear implant
Show answer

Answer: C. TEP speech is the most natural; electrolarynx and oesophageal speech are alternatives.

Review: section 05

Q65RecurrentLevel 2Screening, workup & staging

Why is radiotherapy alone usually chosen for a fit 76-year-old with stage III oropharyngeal cancer?

  1. ACisplatin is banned in older adults
  2. BRT alone is more effective
  3. CChemotherapy added no survival benefit over age 70 in MACH-NC
  4. DChemotherapy causes second cancers
  5. EOlder patients do not tolerate IMRT
Show answer

Answer: C. MACH-NC: HR 0.97 over 70; decide by fitness, not age alone.

Review: section 03

Q66RecurrentLevel 2Screening, workup & staging

A patient with creatinine clearance 40 mL/min needs definitive RT for stage IVA cancer. Which sensitiser improved survival in an Indian randomised trial?

  1. ACetuximab
  2. BWeekly low-dose docetaxel
  3. CMethotrexate
  4. DBleomycin
  5. ENimotuzumab alone
Show answer

Answer: B. Patil 2023: 2-year OS 51 vs 42% and DFS 42 vs 30% with docetaxel added to RT.

Review: section 03

Q67RecurrentLevel 2Systemic therapy

What is the absolute 5-year overall survival gain from concurrent chemoradiation in MACH-NC?

  1. AAbout 1%
  2. BAbout 15%
  3. CAbout 25%
  4. DAbout 6.5%
  5. ENone
Show answer

Answer: D. 71 trials, 10,680 patients; HR 0.83.

Review: section 06

Q68RecurrentLevel 2Systemic therapy

In the Indian ConCERT trial, weekly cisplatin with RT compared with 3-weekly cisplatin had:

  1. ANon-inferior locoregional control and less severe toxicity
  2. BMore vomiting
  3. CWorse control
  4. DMore kidney injury
  5. ENo difference in toxicity
Show answer

Answer: A. Grade ≥3 mucositis 41 vs 54%, kidney toxicity 4 vs 18%.

Review: section 06

Q69RecurrentLevel 2Systemic therapy

What did JCOG1008 show for postoperative chemoradiation?

  1. A3-weekly was clearly superior
  2. BWeekly cisplatin was non-inferior and less toxic than 3-weekly
  3. CRT alone was best
  4. DChemotherapy is unnecessary for ENE
  5. ECetuximab was better
Show answer

Answer: B. 3-year OS 72 vs 59% with weekly cisplatin; less hearing loss and kidney injury.

Review: section 06

Q70RecurrentLevel 2Systemic therapy

A patient progresses 3 months after cisplatin chemoradiation with lung metastases. Preferred next therapy (if available)?

  1. AA PD-1 inhibitor (nivolumab or pembrolizumab)
  2. BRepeat cisplatin
  3. CCetuximab-RT
  4. DObservation
  5. ENeck dissection
Show answer

Answer: A. Platinum-refractory (<6 months): CheckMate 141 and KEYNOTE-040.

Review: section 06

Q71RecurrentLevel 2Systemic therapy

For first-line recurrent/metastatic disease with CPS 30 and slow progression, which is reasonable?

  1. AMethotrexate alone
  2. BObservation
  3. CPembrolizumab alone
  4. DEXTREME only
  5. ERe-irradiation alone
Show answer

Answer: C. KEYNOTE-048: pembrolizumab alone improved OS in CPS ≥20 (median 15 vs 11 months) with far less toxicity.

Review: section 06

Q72RecurrentLevel 2Systemic therapy

In KEYNOTE-048, pembrolizumab alone versus EXTREME had a LOWER response rate but longer survival. What explains this?

  1. AResponse always equals survival
  2. BDurable responses and long-term survivors in a minority on immunotherapy
  3. CMeasurement error
  4. DChemotherapy kills patients
  5. ECrossover
Show answer

Answer: B. Response rate 17 vs 36%, yet 4-year OS was higher: judge immunotherapy by survival, not response alone.

Review: section 06

Q73RecurrentLevel 2Survivorship

A survivor 2 years after RT needs a molar extraction. Best approach?

  1. ARoutine extraction at any clinic
  2. BExtract and stop fluoride
  3. CNever extract under any circumstances
  4. DExtract and start bisphosphonate
  5. ERefer to an oral surgeon experienced with irradiated patients; atraumatic extraction
Show answer

Answer: E. Extraction in irradiated bone is the main trigger for osteoradionecrosis.

Review: section 08

Q74RecurrentLevel 2ImageSurvivorship

Exposed mandibular bone at an extraction site 1 year after RT (OPG schematic). Diagnosis?

RSchematic drawing · not a patient image
  1. ADry socket only
  2. BRecurrence certainly
  3. COsteoporosis
  4. DOsteoradionecrosis
  5. ENormal healing
Show answer

Answer: D. Lytic bone with sequestrum in an irradiated field; biopsy if recurrence is possible.

Review: section 08

Q75RecurrentLevel 2Survivorship

Which statement about surveillance imaging after head and neck cancer is correct?

  1. ANo examination is needed if PET is negative
  2. BCT every 3 months for life
  3. CSerum markers replace imaging
  4. DA post-treatment baseline is advised; routine serial scans thereafter are not proven
  5. EPET-CT every month in year 1
Show answer

Answer: D. Examination with a scope drives follow-up; image for symptoms or hard-to-examine sites.

Review: section 08

Q76RecurrentLevel 2Systemic therapy

What did adding cetuximab to cisplatin-RT achieve in RTOG 0522?

  1. ANo improvement in outcomes, more toxicity
  2. BBetter survival
  3. CFewer distant metastases
  4. DLess mucositis
  5. EBetter larynx preservation
Show answer

Answer: A. Cetuximab added nothing to cisplatin-RT.

Review: section 06

Q77OropharynxLevel 2Biomarkers

Which genomic pattern is typical of tobacco-driven (HPV-negative) head and neck cancer?

  1. ABRAF V600E
  2. BTP53 mutation and CDKN2A loss with chromosomal instability
  3. CWild-type TP53 with TRAF3 loss
  4. DNo copy-number changes
  5. EE2F1 amplification with intact CDKN2A
Show answer

Answer: B. TCGA: HPV-negative tumours carry TP53 mutations, CDKN2A loss, CCND1/EGFR amplification and 3p/9p loss; HPV-positive tumours show PIK3CA, TRAF3 and E2F1 changes.

Review: section 04

Q78OropharynxLevel 2Survivorship

What proportion of long-term partners of patients with HPV-associated oropharyngeal cancer had oncogenic oral HPV in a US study?

  1. AAbout 90%
  2. BNone could be tested
  3. CAbout 50%
  4. DAll partners
  5. EAbout 4% overall, similar to the general population
Show answer

Answer: E. Partners are not at increased risk; reassure and avoid unnecessary testing.

Review: section 08

Q79OropharynxLevel 2Biomarkers

p16 IHC on a fine-needle aspirate of a cystic neck node is equivocal. Best next step?

  1. ARepeat p16 in 6 months
  2. BAssume HPV-negative
  3. CHPV DNA/RNA testing (PCR or ISH) on the cell block
  4. DExcise the node
  5. ETreat as lymphoma
Show answer

Answer: C. p16 is less sensitive on aspirates; direct HPV testing resolves it.

Review: section 04

Q80OropharynxLevel 2Biomarkers

After relapse, how did survival compare by HPV status in RTOG 0129/0522?

  1. AHPV-positive tumours never relapse
  2. BIdentical
  3. COnly distant relapse differed
  4. DWorse if p16-positive
  5. EMedian 2.6 vs 0.8 years, better if p16-positive
Show answer

Answer: E. Timing and sites of relapse were similar, but survival after progression was much longer with HPV-associated disease.

Review: section 04

Q81NasopharynxLevel 2Screening, workup & staging

A fit 42-year-old has stage IVA (T4N2) nasopharyngeal carcinoma. Standard treatment?

  1. ART alone
  2. BSurgery then adjuvant RT
  3. CCetuximab with RT
  4. DPalliative chemotherapy only
  5. EInduction gemcitabine–cisplatin, then cisplatin-IMRT
Show answer

Answer: E. Induction GP improved recurrence-free and overall survival before chemoradiation (Zhang 2019); surgery has no role for the primary.

Review: section 03

Q82NasopharynxLevel 2Systemic therapy

After chemoradiation for N3 nasopharyngeal carcinoma, which adjuvant option improved failure-free survival?

  1. AMetronomic capecitabine for 1 year
  2. BObservation only is best
  3. CWeekly docetaxel for 6 months
  4. DTamoxifen
  5. ECetuximab maintenance
Show answer

Answer: A. Chen 2021 (Lancet): 3-year failure-free survival about 85 vs 76% with mild toxicity.

Review: section 06

Level 3 · Challenging

DNB, DM and USMLE Step 3 level: landmark trials, newer targeted drugs and difficult decisions.

Q83OralLevel 3Systemic therapy

Which statement about KEYNOTE-689 is correct?

  1. ABenefit in event-free survival was confined to CPS ≥1, and overall survival was immature
  2. BPathological complete response was about 50%
  3. CIt was limited to HPV-positive disease
  4. DIt replaced surgery
  5. EIt improved overall survival in all patients
Show answer

Answer: A. Complete pathological response was only ~3%; about 60% had oral cavity cancer.

Review: section 06

Q84OralLevel 3Systemic therapy

In NIVOPOSTOP, nivolumab added to postoperative cisplatin-RT:

  1. AWas tested mainly in HPV-positive disease
  2. BRequired CPS ≥20
  3. CImproved distant control only
  4. DReduced toxicity
  5. EImproved 3-year DFS (63 vs 53%) mainly through locoregional control
Show answer

Answer: E. Benefit regardless of PD-L1; very few HPV-positive patients, so use in HPV-negative disease.

Review: section 06

Q85OralLevel 3Systemic therapy

Why did the Tata trial (Noronha 2018) favour 3-weekly cisplatin in the postoperative setting, unlike JCOG1008 and ConCERT?

  1. AIt was a non-randomised study
  2. BIt included only HPV-positive patients
  3. CIt used a lower weekly dose, giving a lower cumulative dose
  4. DWeekly cisplatin never works
  5. EIt used cetuximab
Show answer

Answer: C. Weekly cisplatin works only at full dose; aim for a cumulative dose of at least 200 mg/m².

Review: section 06

Q86OralLevel 3Local therapy

A lateralised oral tongue cancer has DOI 0.8 mm. Recommended neck management?

  1. ABilateral neck dissection
  2. BNeck RT
  3. CChemoradiation
  4. DRadical neck dissection
  5. EObservation
Show answer

Answer: E. The most superficial lateralised tumours (DOI ≤1 mm) can be observed; 1–3 mm favours SLNB in expert centres.

Review: section 05

Q87OralLevel 3Local therapy

Borderline-resectable gingivobuccal cancer in a fit patient. Which approach may convert it to resectable?

  1. ATPF induction chemotherapy, then reassessment for surgery
  2. BObservation
  3. CLow-dose methotrexate
  4. DCetuximab alone
  5. EBrachytherapy only
Show answer

Answer: A. Induction TPF is used to attempt surgical and functional preservation; non-responders go to definitive chemoradiation.

Review: section 05

Q88OralLevel 3Local therapy

For which T1 oral site does guidance suggest observation of the neck?

  1. AOral tongue with DOI 5 mm
  2. BLower lip
  3. CHard palate
  4. DBuccal mucosa
  5. ERetromolar trigone
Show answer

Answer: B. T1 lower lip cancers have a low risk of nodal spread; buccal, gingival, retromolar and palatal tumours get elective dissection.

Review: section 05

Q89OropharynxLevel 3Systemic therapy

In ARTSCAN III (mostly HPV-positive), cetuximab-RT compared with weekly cisplatin-RT had:

  1. AMore locoregional failure (23 vs 9%)
  2. BIdentical outcomes
  3. CLess skin toxicity
  4. DBetter survival
  5. EFewer distant metastases
Show answer

Answer: A. Cetuximab was inferior regardless of the cisplatin schedule.

Review: section 06

Q90OropharynxLevel 3Systemic therapy

Which statement about de-escalation in HPV-associated oropharynx cancer is correct?

  1. ART dose of 40 Gy is standard
  2. BChemotherapy alone is enough
  3. CIt is standard for all non-smokers
  4. DIt remains investigational and should be done in trials
  5. ECetuximab is the approved de-escalation drug
Show answer

Answer: D. Outside trials, HPV-positive disease is treated like HPV-negative disease.

Review: section 06

Q91OropharynxLevel 3Biomarkers

A p16-positive T2N1 (single 2.5 cm node, no ENE) tonsil cancer in a never-smoker. Which is a guideline-supported option?

  1. ATrimodality therapy routinely
  2. BChemoradiation with cetuximab
  3. CDefinitive RT alone
  4. DObservation
  5. EInduction TPF then CRT
Show answer

Answer: C. Single node ≤3 cm without adverse features in a non-smoker: RT alone or TORS; smokers or adverse features: chemoradiation.

Review: section 04

Q92OropharynxLevel 3Biomarkers

A p16-positive T3N2 oropharyngeal cancer. Preferred approach?

  1. ACetuximab-RT
  2. BInduction only
  3. CTORS then chemoradiation
  4. DRT alone
  5. EDefinitive cisplatin chemoradiation rather than surgery followed by chemoradiation
Show answer

Answer: E. Avoid trimodality therapy; chemoradiation preserves function with excellent outcomes.

Review: section 04

Q93OropharynxLevel 3Biomarkers

Why is p16 not routinely tested in oral cavity cancer?

  1. AIt changes the oral cavity T stage
  2. Bp16 positivity there often does not reflect HPV-driven cancer and has unclear meaning
  3. CIt is too expensive
  4. DIt predicts cetuximab benefit
  5. EIt is always negative
Show answer

Answer: B. Most p16-positive oral cavity tumours are HPV-negative unless near the circumvallate papillae.

Review: section 04

Q94LarynxLevel 3Systemic therapy

In RTOG 91-11 long-term follow-up, 10-year survival was:

  1. A28% concurrent, 39% induction, 32% RT alone
  2. BIdentical in all arms at 50%
  3. C10% induction
  4. D60% in all arms
  5. E80% concurrent
Show answer

Answer: A. Concurrent therapy had better locoregional control but more non-cancer deaths.

Review: section 06

Q95LarynxLevel 3Local therapy

Which patient is NOT a good candidate for larynx preservation?

  1. AFit 55-year-old with T3 pyriform sinus cancer
  2. BT3 glottic cancer with a fixed cord
  3. CT2 supraglottic cancer
  4. DN2b disease with a T2 primary
  5. ET4a cancer with extensive thyroid cartilage destruction and a non-functioning larynx
Show answer

Answer: E. Laryngectomy gives better results when the larynx is destroyed or non-functional.

Review: section 05

Q96LarynxLevel 3Systemic therapy

In EORTC 24891 (pyriform sinus), induction PF then RT versus laryngectomy showed:

  1. ABetter survival with induction
  2. BNo difference in survival, with larynx preservation in many survivors
  3. CNo patient kept the larynx
  4. DMore distant metastases with surgery
  5. EWorse survival with induction
Show answer

Answer: B. 10-year OS 13 vs 14%; about 60% of 5-year survivors kept a normal larynx.

Review: section 06

Q97LarynxLevel 3Local therapy

Subglottic T2N0 cancer: which nodal levels need elective treatment?

  1. ABilateral II–IV and level VI (paratracheal)
  2. BLevel I only
  3. CSupraclavicular only
  4. DNone
  5. EIpsilateral II only
Show answer

Answer: A. Subglottic tumours drain to paratracheal and jugular nodes.

Review: section 05

Q98RecurrentLevel 3Local therapy

Which patient is a candidate for curative re-irradiation?

  1. AA patient with lung metastases
  2. BPS 4
  3. CAnyone with recurrence
  4. DA fit patient with an unresectable in-field recurrence 3 years after RT, without distant spread, at an experienced centre
  5. ERecurrence 2 months after RT with carotid blowout
Show answer

Answer: D. Treatment deaths approach 10% and severe toxicity up to 50%: select by interval, volume, prior dose and fitness.

Review: section 05

Q99RecurrentLevel 3Local therapy

After salvage resection of an in-field recurrence, pathology shows clear margins and no ENE. Postoperative re-irradiation?

  1. AAlways
  2. BOnly to the neck
  3. COnly with SBRT
  4. DNot routinely recommended
  5. EOnly with cetuximab
Show answer

Answer: D. Postoperative re-irradiation is suggested only for high-risk pathology.

Review: section 05

Q100RecurrentLevel 3Systemic therapy

In a Tata Memorial randomised trial, what did adding low-dose nivolumab to oral metronomic chemotherapy achieve?

  1. AWorse survival
  2. BOnly better response
  3. COnly fewer side effects
  4. DNo benefit
  5. EImproved overall survival
Show answer

Answer: E. An evidence-based option where full-dose immunotherapy is unaffordable.

Review: section 06

Q101RecurrentLevel 3Systemic therapy

Which first-line combination did NOT beat EXTREME in recurrent/metastatic disease?

  1. APembrolizumab + platinum–5FU (KEYNOTE-048)
  2. BPembrolizumab alone in CPS ≥20
  3. CAll of the above beat EXTREME
  4. DPembrolizumab alone in CPS ≥1
  5. ENivolumab plus ipilimumab (CheckMate 651)
Show answer

Answer: E. CheckMate 651 was negative for its primary endpoint.

Review: section 06

Q102RecurrentLevel 3Systemic therapy

Which checkpoint-inhibitor strategy added to definitive chemoradiation improved outcomes?

  1. ANone so far (JAVELIN H&N 100 and KEYNOTE-412 were negative)
  2. BDurvalumab
  3. CAvelumab
  4. DPembrolizumab
  5. ENivolumab–ipilimumab
Show answer

Answer: A. Immunotherapy benefits have come around surgery (KEYNOTE-689, NIVOPOSTOP) and in recurrent disease, not with definitive CRT.

Review: section 06

Q103RecurrentLevel 3Survivorship

Calculate: in KEYNOTE-048, 4-year OS was 19% with pembrolizumab–chemotherapy vs 5% with EXTREME. Roughly how many patients must be treated for one extra 4-year survivor?

  1. AAbout 2
  2. BAbout 50
  3. CAbout 100
  4. DAbout 20
  5. EAbout 7
Show answer

Answer: E. Absolute difference 14% → NNT ≈ 1/0.14 ≈ 7.

Review: section 08

Q104RecurrentLevel 3Survivorship

Calculate: the Tata docetaxel trial improved 2-year OS from 42% to 51%. Number needed to treat for one extra 2-year survivor?

  1. AAbout 2
  2. BAbout 100
  3. CAbout 3
  4. DAbout 11
  5. EAbout 50
Show answer

Answer: D. Absolute gain 9% → NNT ≈ 11.

Review: section 08

Q105RecurrentLevel 3Systemic therapy

Erythropoiesis-stimulating agents given during head and neck RT (DAHANCA 10) resulted in:

  1. ALess mucositis
  2. BMore locoregional failure and worse survival
  3. CNo effect at all
  4. DFewer transfusions without harm
  5. EBetter local control
Show answer

Answer: B. Five-year locoregional failure 47 vs 34%; do not use ESAs to raise haemoglobin during RT.

Review: section 06

Q106RecurrentLevel 3Systemic therapy

Altered fractionation without chemotherapy (MARCH meta-analysis) improved survival most with:

  1. AOnce-weekly RT
  2. BSplit-course RT
  3. CBrachytherapy alone
  4. DHyperfractionation
  5. EHypofractionation
Show answer

Answer: D. Hyperfractionation gave the largest gain; with concurrent chemotherapy, once-daily fractionation is standard.

Review: section 06

Q107RecurrentLevel 3Survivorship

Which is the most frequent site of a second primary cancer after head and neck SCC in smokers?

  1. AProstate
  2. BBrain
  3. CBreast
  4. DLung
  5. EColon
Show answer

Answer: D. Second primaries arise mainly in the head and neck, lung and oesophagus; lung second primaries have the worst outlook.

Review: section 08

Q108RecurrentLevel 3Survivorship

A survivor has cough with meals and recurrent chest infections 4 years after chemoradiation. Most likely cause and test?

  1. AAnxiety; reassurance
  2. BGERD; endoscopy only
  3. CLung metastases; PET-CT
  4. DAsthma; spirometry
  5. ELate radiation-associated dysphagia with aspiration; videofluoroscopy or FEES
Show answer

Answer: E. Late dysphagia can appear years after RT; swallowing therapy started early works best.

Review: section 08

Q109RecurrentLevel 3Local therapy

For an isolated neck recurrence after prior neck dissection and RT, with multiple nodes and ENE on salvage surgery, what follows?

  1. ALaryngectomy
  2. BObservation only
  3. CCetuximab alone
  4. DPostoperative re-irradiation with chemotherapy in selected patients
  5. ENothing can be done
Show answer

Answer: D. High-risk features after salvage surgery justify postoperative re-irradiation in selected fit patients.

Review: section 05

Q110OropharynxLevel 3Local therapy

In RTOG 0129, which group had 3-year survival of about 46%?

  1. AHPV-positive women
  2. BNever-smokers with HPV-positive T1
  3. CHPV-positive with N0 disease
  4. DHPV-positive with ≤10 pack-years
  5. EHPV-negative with >10 pack-years (or T4)
Show answer

Answer: E. Ang 2010 risk groups: low ~93%, intermediate ~71%, high ~46%; HPV status and smoking drive them.

Review: section 05

Q111OropharynxLevel 3Systemic therapy

In NRG-HN002, 60 Gy RT alone versus 60 Gy with weekly cisplatin in HPV-positive non-smokers showed:

  1. AMore locoregional failure with RT alone (10 vs 3%); RT alone missed its PFS target
  2. BNo locoregional failures in either arm
  3. CRT alone became standard
  4. DBetter PFS with RT alone
  5. EWorse OS with chemotherapy
Show answer

Answer: A. Chemotherapy still matters at reduced dose; de-escalation remains investigational.

Review: section 06

Q112OropharynxLevel 3Local therapy

In ECOG 3311, what did 50 Gy versus 60 Gy adjuvant RT after transoral surgery achieve in intermediate-risk HPV-positive disease?

  1. AMore toxicity with 50 Gy
  2. BWorse survival with 50 Gy
  3. CHigher distant metastasis with 50 Gy
  4. DSimilar 3-year PFS (95 vs 94%) with less grade ≥3 toxicity (15 vs 25%)
  5. ENo patient needed adjuvant RT
Show answer

Answer: D. Promising for lower-dose adjuvant RT; not yet compared with non-surgical treatment.

Review: section 05

Q113OropharynxLevel 3Survivorship

What is the current role of circulating tumour HPV DNA after treatment?

  1. AUseful in HPV-negative cancer
  2. BPromising for surveillance (high negative predictive value) but not yet standard
  3. CReplaces PET-CT at 12 weeks
  4. DScreening test for the general population
  5. EUsed to choose cetuximab
Show answer

Answer: B. Two consecutive positive tests predicted recurrence in 94% in one prospective study; assays and actions are not standardised.

Review: section 08

Q114NasopharynxLevel 3Systemic therapy

First-line therapy for metastatic nasopharyngeal carcinoma with good performance status?

  1. AMethotrexate
  2. BPembrolizumab alone only if CPS ≥20
  3. CObservation
  4. DCisplatin–5FU–cetuximab (EXTREME)
  5. EGemcitabine–cisplatin plus a PD-1 inhibitor
Show answer

Answer: E. GP beat cisplatin–5FU (Zhang 2016); adding toripalimab (JUPITER-02) or camrelizumab (CAPTAIN-1st) improved PFS and OS; no CPS threshold is used.

Review: section 06

Q115NasopharynxLevel 3Local therapy

A resectable local recurrence of nasopharyngeal carcinoma 3 years after IMRT. Which approach gave longer survival in a randomised trial?

  1. AObservation
  2. BEndoscopic nasopharyngectomy rather than re-irradiation
  3. CChemotherapy alone
  4. DRe-irradiation once daily
  5. EBrachytherapy alone
Show answer

Answer: B. Liu 2021: endoscopic surgery improved survival with fewer severe late effects; if re-RT is needed, hyperfractionation is safer (You 2023).

Review: section 05

Q116NasopharynxLevel 3Survivorship

Which late effect is particularly important to monitor after nasopharyngeal radiotherapy?

  1. APulmonary fibrosis
  2. BHepatic fibrosis
  3. CInfertility only
  4. DHypopituitarism and temporal lobe necrosis
  5. ECardiomyopathy
Show answer

Answer: D. The pituitary, temporal lobes, inner ear, cranial nerves and carotids lie near the high-dose region: yearly endocrine and hearing checks.

Review: section 08

Prepared and reviewed by Dr. Haritha Chiramana for teaching. Facts compiled from current guidelines, primary trials and evidence summaries, written in our own words; drawings are original schematics, not patient images; no doses are included.