CT colonography (virtual colonoscopy). 3-D endoluminal and 2-D axial CT images shown in parallel for same colonic lesion. Images demonstrate the importance of comparing both images for determining extent of identified lesions. Endoluminal view shows intraluminal part...
Represents a stenosed featureless colon. The differential diagnosis for this includes: Long standing (burnt out) ulcerative colitis Granulomatous colitis Unused bowel (bypassed colon with ileostomy) Cathartic bowel (rare – usually right colon, spares rectum)...
Colon appears like a smooth tube due to loss of haustrations; ileocecal valve widely patent with involvment of terminal ileum.
LLD abdominal radiograph showing extreme dilatation of the transverse colon. [Courtesy Dr. N. Jaffer]
Volvulus – Bird-beak sign Contrast enhanced study illustrating the “bird-beak” sign associated with cecal volvulus. [Courtesy of Dr. N. Jaffer]
