Head & Neck Oncology · NEET PG Preparation ENT
A 45-year-old male with a history of betel nut chewing presents with restricted mouth opening (trismus) and a firm, white, non-scrapable mucosal plaq…
Practice question from Head & Neck Oncology (NEET PG Preparation ENT), with the correct answer and a step-by-step solution.
easy · MCQ · Q-A2F40A
A 45-year-old male with a history of betel nut chewing presents with restricted mouth opening (trismus) and a firm, white, non-scrapable mucosal plaque on the buccal mucosa. Histopathology reveals epithelial dysplasia with subepithelial fibrosis. What is the most definitive diagnosis?
- A.Oral hairy leukoplakia
- B.Oral submucous fibrosis with leukoplakiaCorrect answer
- C.Actinic cheilitis
- D.Squamous cell papilloma
Solution
Oral submucous fibrosis (OSMF) is a chronic debilitating condition strongly associated with betel nut/areca nut chewing, characterized by progressive trismus and mucosal fibrosis. Coexistent leukoplakia with dysplasia represents a high risk for malignant transformation into squamous cell carcinoma.
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