Female, 68 years old. Reason: 5 x 4 cm mass on posterior right thigh. Has a history of metastatic HCC with pulmonary metastasis. Please evaluate for etiology. History: see above There is low T1 signal and high T2 signal within the intramuscular mass in the right biceps femoris at the level of the mid femur. The mass exhibits heterogeneous enhancement but does not extend to the cortex. The mass measures 5.1 x 5.3 x 8.3 cm (series 16, image 7). The remaining soft tissues appear unremarkable. The vessels appear patent. The soft tissues of the left thigh and the left femur are grossly unremarkable as seen on the coronal view.
Enhancing mass in the right posterior thigh which is suspicious for primary soft tissue sarcoma or metastatic carcinoma. 