Tricholemmoma
Tricholemmoma Updated: 07/01/2023 © Jun Wang, MD, PhD General features AKA trichilemmoma Benign Derived from the outer root sheath of hair follicle May be associated with other neoplasms, most commonly nevus sebaceous of Jadassohn Cowden syndrome Multiple trichilemmomas Multiple hamartomas in skin, oral mucosa, breast, thyroid and intestines Malignancies at these sites Clinical features Papules Pathological features Lobularor plate-like growth of pale pink, glassy cells Palisading at periphery Thickened basement membrane Occasional central keratinization Management Excision Back to skin tumors Back to skin pathology Back to contents