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Dermatology Online Journal

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Linear syringocystadenoma papilliferum on female breast: a rare appendageal tumour on an uncommon location


Syringocystadenoma papilliferum is a rare benign adnexal tumor commonly located on the head and neck region and is usually associated with a nevus sebaceous. Linear lesions are uncommon and lesions on the breast are extremely rare. We report here a case of linear SCAP occurring de novo on the left breast of a 35-year-old healthy woman. Histopathology showed the characteristic papillary projections lined by double layer of cells inside epidermal invaginations.

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