Fig. 23From: Endometriosis: clinical features, MR imaging findings and pathologic correlationExtrapelvic sciatic nerve endometriosis in a 31-year-old woman who has been suffering from cyclic sciatica for about 2 years. (a) Sagittal, (b) axial and (c) coronal T2-weighted images show hypointense spiculated soft-tissue thickening centred around the right sciatic nerve at the sciatic notch (white arrows). (d) Sagittal, (e) axial and (f) coronal contrast-enhanced fat-suppressed T1-weighted images display enhancement of the mass (white arrows). Note the sciatic nerve cephalad to the lesion (white arrowheads in c) and within the lesion (white arrowhead in e)Back to article page