Fig. 16
From: A closer look at the stoma: multimodal imaging of patients with ileostomies and colostomies
Surgically confirmed obstructed stomas and alternative diagnoses. a Sagittal image showing sharply angulated stomal tract (arrow) causing upstream obstruction. b, c Entrapment with upstream dilatation of large bowel (arrowhead in c) within a large PH in a patient with Crohn’s disease and permanent ileostomy (arrow in b). Note peristomal fluid (+) and gas bubbles consistent with recent surgery. d Incisional hernia (arrowhead) causing obstruction, in a patient with uncomplicated ileostomy (arrow). e, f Blockage of ileostomy (arrow) from solid tissue (*) consistent with peritoneal carcinomatosis