Fig. 19
From: What is hiding in the hindgut sac? Looking beyond rectal carcinoma
Sub peritoneal pelvic adenomucinosis presenting as slow growing pelvic mass 6 years after surgery for appendiceal mucocele. a Axial contrast CT reveals retrorectal multiloculated cystic lesion (arrow) with calcification (arrowhead). b Axial T2-weighted MRI and c sagittal T2-weighted MRI reveal a cystic lesion (arrow) with multiple septations. d Axial contrast T1-weighted MRI reveals peripheral and septal enhancement of the lesion (arrow)