(a) Unenhanced T1 coronal image (echo time: 12 ms, repetition time: 400 ms) and (b) enhanced fat-saturated axial T1 image (echo time: 12 ms, repetition time: 400 ms), showing metastatic lesions in both ischial tuberosities [asterisks in (a)], atrophy of the glutei and proximal right thigh muscles [arrowheads in (a)] and secondary tumoral infiltration of the enlarged right sciatic nerve [arrows in (a, b)].