Fig. 4
From: Neurolymphomatosis of the lumbosacral plexus and its branches: case series and literature review
Case 3. 67 years old woman. Diffuse multi-lobular mass along the right sciatic nerve on MRI. a Coronal T1-weighted imaging demonstrating irregular hypointense thickening of the right sciatic nerve (arrows) and diffuse fatty infiltration of the same muscles. b Coronal STIR imaging demonstrating corresponding thickening and increased signal intensity of the sciatic nerve (arrows). c Axial T1-weighted imaging showing thickening of the right sciatic nerve (arrow). The normal contra-lateral sciatic nerve is also observed (arrow head). Please note the marked asymmetry in the diameter of the thighs, right larger than left