Korean J Dermatol.  2012 Feb;50(2):179-181.

Trichoblastoma Mimicking Epidermal Cyst on the Trunk

Affiliations
  • 1Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea. kwinho@paran.com

Abstract

Trichoblastoma is a rare, benign skin tumor of adnexal origin that differentiates toward the hair germ, the embryonic precursor of a hair follicle. Clinically, it presents as a slow growing, solitary, well-circumscribed nodule located predominantly in the head and neck area, with a predilection for the scalp. The trunk, proximal extremities and perianal and genital regions may also be affected. We herein present a case of trichoblastoma which occurred on the trunk as a solitary subcutaneous mass with a central tiny pore in 53-year-old man.

Keyword

Epidermal cyst; Trichoblastoma; Trunk
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