Fig. 6
From: Endometriosis: clinical features, MR imaging findings and pathologic correlation
Deep infiltrating endometriosis in a 34-year-old woman. (a) Sagittal fat-suppressed T1-weighted image shows an endometriotic nodule (white arrows) infiltrating the muscular layer of the anterior rectal wall. The lesion displays homogeneous intermediate signal intensity due to fibrous tissue and smooth muscle. (b) Photomicrograph (H&E 250X). Focus of endometriosis without haemorrhage