Fig. 7
From: Acute abdominal pain in women of reproductive age: keys to suggest a complication of endometriosis
26-year-old female presenting with acute right lower quadrant pain. US and CT (a, b) show an irregular pseudonodular hypoechoic (a) enhanced (b) thickening of the appendix (arrows), with pelvic fat stranding. T2W MRI (c) shows a fibrotic endometriotic implant of the right ovarian fossa, invading the appendix (arrows). Surgery was performed and found hemoperitoneum along with many endometriotic implants of the ileocecal region. Pathological reports found endometrial stroma in the muscular layer of the appendix