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Atypical leiomyoma: An unusual variant of cutaneous pilar leiomyoma

2009; University of California, Davis; Volume: 15; Issue: 3 Linguagem: Inglês

10.5070/d35d74499g

1087-2108

Mabel Jimena Nocito, María Marcela Lustia, Paula Carolina Luna, Nadia Guadalupe Cañadas, María Laura Castellanos Posse, Carolina Marchesi, Graciela Carabajal, Miguel Ángel Mazzini,

Cancer and Skin Lesions

Cutaneous atypical leiomyoma is an unusual benign tumor arising from arrector pili muscle that shares histological features with uterine atypical or symplastic leiomyoma: atypical cellularity with pleomorphic nuclei but minimal or no mitosis. Six other cases have been reported so far and, in spite of its name and of being a smooth muscle proliferation, no recurrences nor metastasis have been reported.