Myosarcoma - thigh

Case contributed by Maulik S Patel


Left distal, medial thigh lump for 3 months.

Patient Data

Age: 60 years
Gender: Female

Large soft tissue swelling over the distal posteromedial thigh. No underlying osseous change. 


Well-defined ovoid lesion is seen in the region of interest. Size: 7 x 7 x 5 cm.

Location: Fascia covers lesion. Sartorius muscle is displaced by the lesion. Muscle is possibly involved. The lesion is separate and away from the bone and away from superficial femoral vessels.

Morphology:  Well-defined lesion. Predominantly solid. A tiny central calcification - 2 - 3 mm. Tiny cystic spaces are noted in center.

Doppler: Arterial, as well as venous flow, noted. Flow in peripheral areas and central solid areas.     

Case Discussion

Histopathology - myosarcoma.

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