, Volume 9, Issue 2, pp 246-249
Date: 13 Mar 2013

Perianal alveolar soft-part sarcoma: a rare case

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Alveolar soft part sarcoma (ASPS) is a rare diagnosis in the perianal region.


we describe the clinical presentation, pathological findings and differential diagnosis of a rare case of perianal ASPS. We also describe the importance of the preoperative embolization of the hypervascularised masses to prevent surgical bleeding.


clinical and pathological findings are essential for the diagnosis, specifically by immunochemistry and molecular techniques, as the demonstration of ASPL/TFE3 fusion transcript became indispensable in some cases. Preoperative embolization of the hypervascularised masses may prevent uncontrollable surgical bleeding.