Examination of a patient who is an intense smoker revealed a 1 *2 cm indurated red mass in the floor of his mouth. Submandibular lymph nodes on the same side were asymptomatic and indurated. This patient should be suspected of having:
A) Lichen planus
B) Erythroplakia
C) Carcinoma in situ
D) Squamous cell carcinoma
E) None of the above
Correct Answer:
Verified
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A) Occur because of reinfection
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