case_images: PMC5779756_01
case_images: Coronal fat-suppressed T2-weighted image shows an infiltrating soft tissue mass of high signal intensity involving the anterior and lateral compartment of left femur and the internal adductor muscles of the right femur. Subcutaneous stranding is present.
case_images: medi-97-e9608-g001.jpg
case_images: PMC5779756_01_medi-97-e9608-g001.jpg
case_images: F1
case_images: Similar lesions, of lesser extent, were observed at the right adductor magnus, without contrast enhancement (Figs. 1-3).
case_images: Coronal T1-weighted image.
case_images: medi-97-e9608-g002.jpg
case_images: PMC5779756_01_medi-97-e9608-g002.jpg
case_images: F2
case_images: Similar lesions, of lesser extent, were observed at the right adductor magnus, without contrast enhancement (Figs. 1-3).
case_images: Left- suppressed contrast enhanced T1-weighted image (Image 3) and Image 2 show multiple foci of T1 hypointense and enhancing marrow lesions in both femora and extensive multicompartmental soft tissue mass involvement with peripheral thick band-like enhancement.
case_images: medi-97-e9608-g003.jpg
case_images: PMC5779756_01_medi-97-e9608-g003.jpg
case_images: F3
case_images: Similar lesions, of lesser extent, were observed at the right adductor magnus, without contrast enhancement (Figs. 1-3).