Solitary fibrous tumor is a rare mesenchymal tumor. It located preferentially at pleural, rarely seen in extrathoracic sides. This tumor shows a high risk of local recurrence and a poor prognosis within an incomplete resection. The authors present a case of malignant solitary fibrous tumor in a 39-year-old woman, diagnosed at the antero-medial part of the left thigh. In trying to recall the clinical and pathological features and treatment of this rare entity.
Infiltrating myoepithelial carcinoma remains an exceptional entity. Spindle cell morphology seems to be more prominent. However, rhabdoid, epithelioid and plasmacytoid morphologies may be seen. In some cases, this tumor may appear as poor differentiated intraductal carcinoma. Immunohistochemistry is very useful to confirm the diagnosis. Local recurrence and distant metastases are common but treatment is not consensual.We report a case of a 40-year-old woman with an unusual myoepithelial carcinoma. The diagnosis was canceled by the histopathological and immunohistochemical examination of the resected specimen.We discuss clinical and pathological features of myoepithelial carcinoma, which are very important to know by young pathologists.