Korean J Dermatol.
2001 Jun;39(6):720-722.
Tumor of Follicular Infundibulum
- Affiliations
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- 1Department of Dermatology, Ansan Medical Center, College of Medicine, Korea University, Ansan, Korea. dermhj@yahoo.co.kr
- 2Department of Pathology, Ansan Medical Center, College of Medicine, Korea University, Ansan, Korea.
Abstract
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Tumor of follicular infundibulum is the term coined by Mehregan and Butler in 1961 for a benign hyperplastic lesion that extends from the follicular infundibulum as an epithelial plate with underlying elastic fiber network. This tumor appears as a slightly elevated keratotic lesion and is characterized histologically by proliferation of follicular sheath epithelium in the form of a thin subepidermal plate. We present a typical case of tumor of follicular infundibulum in the left shoulder area of 74 year-old-man. To the best of our knowledge, this is the first reported case of a solitary tumor of follicular infundibulum in Korea.