J Korean Soc Plast Reconstr Surg.
2008 Jan;35(1):106-108.
Desmoplastic Trichilemmoma Arising in a Nevus Sebaceus
- Affiliations
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- 1Department of Plastic Surgery, College of Medicine, The Catholic University of Korea, Gyeonggi, Korea. jsn7190@catholic.ac.kr
- 2Department of Pathology, College of Medicine, The Catholic University of Korea, Gyeonggi, Korea.
Abstract
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PURPOSE: Desmoplastic trichilemmoma is a rare variant of trichilemmoma. Histologically, it has a typical characteristic of trichilemmoma with epithelium of central portion and dense fibrous interstitium. There are only 4 reported cases of desmoplastic trichilemmoma arised in a nevus sebaceus, so we present a case of desmoplastic trichilemmoma arised in a nevus sebaceus with literature review.
METHODS
A 46-year-old female was clinically diagnosed as nevus sebaceous on left side of the forehead. Considering the facial contour, the mass was totally excised elliptically and direct closure was feasible with undermining subcutaneous layer.
RESULTS
Pathology report confirmed desmoplastic trichilemmoma developed from a nevus sebaceus and all tumor margins were negative. There were no evidences of tumor recurrence after surgical treatment.
CONCLUSION
Desmoplastic trichilemmoma developed from a nevus sebaceus is a very rare tumor. Variant tumors can be developed from nevus sebaceus, so surgeon should be cautious in excising the mass totally and confirm the final pathology report.
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