Korean J Dermatol.
2002 Nov;40(11):1406-1409.
Two Cases of Pilonidal Sinus
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- 1Department of Dermatology, College of Medicine Korea University, Seoul, Korea. kumcihk@unitel.co.kr
Abstract
- Pilonidal sinus is a chronic inflammatory disease that is associated with hair; a midline hairy patch or pit in the sacral region with a sinus orifice in the bottom, or a cyst beneath it, in which hair is growing. Also, it is considered to belong in the category of follicular occlusion tetrad. It sometimes becomes inflamed, resulting in a subcutaneous abscess with recurrent infection. It becomes symptomatic during adolescence and presents as a foreign body abscess, with hair as the offender. Histological findings show follicular hyperkeratosis of the infundibulum with plugging and dilatation of follicle. Infiltration of hair occurs in one half of the specimens. Also, inflammatory cells are gathering to meet the challenge. The recommended treatment has been surgical excision of the lesion.
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