Korean J Dermatol.  2004 Apr;42(4):443-446.

Nevus Sebaceus Associated with Trichilemmoma, Trichilemmal Carcinoma and Trichoblastoma

  • 1Department of Dermatology, College of Medicine & Medical Research Institute, Chungbuk National University, Cheongju, Korea. tyyoon@chungbuk.ac.kr


Nevus sebaceus is located on the scalp or the face as a single lesion and is already present at birth. In adulthood, various types of appendage tumor may develop secondarily within the lesion of the nevus sebaceus. A syringocystadenoma papilliferum is the most common secondary benign tumor that has been found in 8% to 19% of the lesion of nevus sebaceus. The malignant tumors arising from nevus sebaceus are basal cell carcinoma, squamous cell carcinoma, apocrine carcinoma and malignant eccrine poroma. The combination of a variety of tumor was found in the lesion of nevus sebaceus. We report a case of nevus sebaceus in a 66-year-old male associated with trichilemmoma, trichilemmal carcinoma and trichoblastoma.


Nevus sebaceus; Trichilemmoma; Trichilemmal carcinoma; Trichoblastoma
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