Which is a premalignant lesion?

 # Which is a premalignant lesion?
A. Oral submucous fibrosis
B. Syphilitic glossitis
C. Erythroplakia
D. Lichen planus

The correct answer is C. Erythroplakia.

Premalignant lesion according to WHO (1978) is defined as a morphologically altered tissue in which cancer is more likely to occur than its apparently normal counterpart. Examples include leukoplakia, erythroplakia, carcinoma in situ. 

Precancerous condition is a generalised state associated with a significantly increased risk of cancer. These include siderophenic dysphagia, submucous fibrosis, lichen planus, syphilitic glossitis. 

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