Cutaneous angiolipoleiomyoma.
We describe a girl with cutaneous angiolipoleiomyoma on the buttock. The 16-year-old girl had a 2.5- x 1.5-cm subcutaneous tumor on the right buttock, which was slightly tender. The tumor appeared to be vascular and was, therefore, surgically excised. Histologically, the lesion was poorly circumscribed and was composed of differently sized blood vessels, smooth-muscle bundles, and mature adipose tissue. These histologic findings were consistent with those of angiomyolipoma, which commonly occurs in the kidney. Cutaneous angiomyolipoma, which is also known as cutaneous angiolipoleiomyoma, is a rare benign mesenchymal tumor. To our knowledge, only 16 cases have been reported in the English-language literature. In our report, we review the clinical features of 17 cases, including the current one. We point out the differences between the cutaneous and renal forms of angiomyolipoma, and conclude that the cutaneous lesion is distinct from a renal lesion in several aspects, including tuberous sclerosis complex association and immunoreactivity to both HMB-45 and MART-1.[1]References
- Cutaneous angiolipoleiomyoma. Makino, E., Yamada, J., Tada, J., Arata, J., Iwatsuki, K. J. Am. Acad. Dermatol. (2006) [Pubmed]
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