Korean J Dermatol.
2005 Jan;43(1):74-77.
A Case of Trichoadenoma
- Affiliations
-
- 1Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea. Dermakkh@yahoo.co.kr
- 2Department of Pathology, College of Medicine, Chung-Ang University, Seoul, Korea.
Abstract
- Trichoadenoma is a rare, benign, cutaneous tumor with differentiation towards the infundibular portion of the pilosebaceous canal. Clinically, it occurs as a solitary tumor, and most commonly on the face. Histologically, it is characterized by numerous horn cysts lined with squamous epithelium and solid tumor islands in the dermis. A 25-year-old female patient presented with a solitary 0.7x0.7cm sized, skin-colored, central, depressed papule on the right cheek, which had been present for 7 years. Histopathologic findings showed the characteristic features of trichoadenoma.