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colonic diverticulitis


perforation of diverticulum with intramural/localized paracolic abscess
  • incidence: 20-25% of diverticular disease
  • pneumoperitoneum rare

CT findings:
  • inflammation of pericolonic fat (98%)
  • diverticula (84%)
  • bowel wall thickening of 4-12 mm (70%)
  • abscess (47%)
  • fluid +/- air of peritonitis (16%); fistula (14%); obstruction (12%); intramural sinus tract (9%); ureteral obstruction (7%)

extraluminal contrast with BE:
  • "double tracking": longitudinal sinus tract (Crohn disease: longer segments of > 10 cm)
  • abscess; fistula

see: diverticular disease of colon


Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
diverticular disease of colon
colonic diverticulosis
prediverticular disease of colon
colonic diverticular hemorrhage
Crohn disease
colon carcinoma

 

Copyright © 2013, Charles E. Kahn, Jr.