Fig. 10
From: Endometriosis: clinical features, MR imaging findings and pathologic correlation
Ureteral endometriosis in a 35-year-old woman with multiple DIE lesions. (a) Sagittal and (b) coronal T2-weighted images show a retroperitoneal solid nodule with spiculated margins (white arrows), with low signal intensity, adjacent to left iliac vessels. (c) Sagittal and (d) coronal T2-weighted images demonstrate dilatation of the ureter upstream and of the contralateral ureter (white arrowheads). On (e) sagittal, (f) coronal and (g) axial contrast-enhanced fat-suppressed T1-weighted images the lesion displays enhancement (white arrows)