Fig. 2
a, b Axial T1-weighted and coronal T1-weighted magnetic resonance (MR) images show lumpy shadows with abnormal signals in the lateral soft tissue space of the right hip joint with a clear boundary, a high-intensity signal shadow with a cord strip, and a cloud-like low-intensity signal shadow. c, d Axial and coronal fat-suppressed T2-weighted MR images showing a low-density signal shadow with a cord strip and a cloud-like high-intensity signal shadow. The adjacent muscles are compressed and deformed by the tumor (yellow arrow)