Squamous cell carcinoma arising from pilonidal sinus

Abstract

Pilonidal sinus is usually present in the sacrococcygeal region. The common presentations are cellulitis, abscess or sinus. Rarely malignant change may be seen in chronic pilonidal sinus. We report a case of chronic pilonidal sinus complicated with squamous cell carcinoma. © 2012 Medicalhelplines.com Inc and John Wiley & Sons Ltd.