Angiomyofibroblastoma of the vulva
2001
Angiomyofibroblastoma is a benign well-circumscribed tumor characterized by alternating hypocellular and hypercellular areas with abundant thin-walled blood vessels. The tumor cells are bland and spindle-shaped or epitheloid and tend to concentrate around the vessels or cluster in small nests. Herein, we report a case of angiomyofibroblastoma of the left labia major in a 50-yearold female. The tumor measured 18×16×11 cm and appeared as an ulcerated rubbery vulvar mass with rapid enlargement during one month. Ultrasonography demonstrated a soft tissue tumor with homogeneous echo and normal vascularity. Histologically, cells were positive for vimentine, desmin, and estrogen and progesterone receptors but negative for cytokeratin; all in favor of the diagnosis of angiomyofibroblastoma.
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