Myxoma is a rare mesenchymal tumor, it’s a benign tumor. The main differential diagnosis is soft tissue sarcoma. We will describe in this article a rather rare localization and we have not found similar cases in the literature. This is a young patient with myxoma of the vastus lateralis muscle of his right thigh. The radiological examination did not give much guidance for the diagnosis. A biopsy followed by a posterolateral approach to remove the mass.
myxoma, vastus lateralis muscle, intramuscular myxoma, benign tumor