A keratoacanthoma with venous invasion
Keywords:
keratoacanthoma, squamous cell carcinoma, dermatoscopy, dermoscopy, dermatopathology, venous invasionAbstract
Keratoacanthomas are variously regarded as a self-limiting variant of squamous cell carcinoma or as a distinct benign lesion and they very seldom show attributes normally associated with malignant behaviour, such as perineural invasion. Herein we report the case of a keratoacanthoma with venous invasion proven by immunoperoxidase and elastic tissue stains.
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