The most reliable single histologic criterion for diagnosis of oral squamous cell carcinoma is____________?
Correct answer: A. Invasion
- A. Invasion
- B. Degeneration
- C. Pleomorphism
- D. Encpsulation
Explanation
Invasion of malignant epithelial cells through the basement membrane into connective tissue is the decisive histologic evidence of squamous cell carcinoma. Pleomorphism supports malignancy but can also occur in severe dysplasia without invasion.
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68 free Oral Cancer MCQs from Oral Pathology and Medicine, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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