Korean J Dermatol.
2001 May;39(5):604-606.
A Case of Multiple Nevus Sebaceus
- Affiliations
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- 1Department of Dermatology, Ajou University School of Medicine, Korea.
- 2Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea.
Abstract
- The nevus sebaceus is an organoid nevus generally noted on the scalp or the face as a single lesion. The frequent association of nevus sebaceus with other appendage tumors and with apocrine glands suggests that nevus sebaceus is derived from the primary epithelial germ. We report a 20-day-old boy with multiple nevus sebaceus on his face, scalp and external ear. The lesions were symmetrical and midline involved yellowish plaques. On the microscopic view of biopsy specimen from the face and scalp, there is a dilated keratin-filled infundibula showing a few buds of undifferentiated cells representing malformed hair germs. The dermis contains many fibroblasts and immature hair structures. Numerous sebaceous glands and eccrine glands lie in upper dermis. Diagnosis was confirmed by clinical appearance and histological picture.
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