Korean J Dermatol.
2006 May;44(5):605-607.
A Case of Deep Penetrating Nevus
- Affiliations
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- 1Department of Dermatology, Ajou University School of Medicine, Suwon, Korea. hykang@ajou.ac.kr
Abstract
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Deep penetrating nevus is a recently described variant of melanocytic nevi. It's clinical and histopathological features can be confused with malignant melanoma, blue nevus, Spitz nevus, pigmented spindle cell nevus, or congenital melanocytic nevus. Histopathologically, the lesions are characterized by loosely-organized nests of slightly to distinctively pleomorphic pigmented cells which deeply penetrate the reticular dermis and often extend into the subcutis. We report a case of deep penetrating nevus on the right arm of a 21-year-old female.