Fig. 5.

Transabdominal ultrasound of a pancreatic and retroperitoneal endometriosis mimicking pancreatic pseudocysts. Left upper abdominal oblique scan showing a large cystic lesion with slightly echogenic content, thick cystic wall and contact to the pancreatic tail (A). Left flank scan demonstrating a large cystic lesion with echogenic sediment and a thick cystic wall with several layers (B). Transverse abdominal scan revealing a mixed cystic solid lesion with a thick wall between the abdominal aorta and the inferior caval vein (C)