Abstract
A 75-year-old woman presented with a ganglion-like nodule on the dorsal aspect of the right foot. A 2.5 × 1.5 cm, saccular and malleable tumor, that was in continuity with the dorsal venous arch, was completely resected. It was characterized by a diffuse intramural and circumferential, low grade, malignant, smooth muscle proliferation with an aneurysmal-like luminal space. No endoluminal or periadventitial invasive neoplastic component was present. The patient had no evidence of disease at 58-month follow-up. This is the first reported case of venous leiomyosarcoma in the foot. Furthermore, the intramural confinement of neoplastic growth is a unique observation.
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