Keratoacanthoma is a self limiting, epithelial prolieration with a strong clinical and histopathologic similarity to well differentiated squamous carcinoma. Some consider it as a  Cutaneous lesion presumably arise from the infundibulum of hair follicles. Intra Oral lesions are rare but have been seen. It is a common low grade malignancy that origanates in the pilo [&hellip

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