Thursday 3 January 2013
Definition: Trichilemmoma is a cutaneous benign adnexal tumors that differentiates toward cells of the outer root sheath. The lesion is often seen in the face and neck region.
Multifocal occurrence is associated with Cowden syndrome, patients with which exhibit hamartomatous intestinal polyposis as well as tricholemmoma.
outer root sheath differentiation
trichilemmoma arising in nevus sebaceus
clear cell acanthoma
- cutaneous adnexal tumors
- cutaneous follicular tumors