Does false aneurysm behave like a sarcoma? Distal femoral arterial false aneurysm simulated a malign mesenchymal tumor. A case report and review of the literature.

We report a case of a pseudo-aneurysm of the distal femoral artery presenting as a malignant mesenchymal tumor with insidious onset, progressive symptoms, large volume mass, and atypical radiological findings.