Diverticulitis on CT scan
http://info.med.yale.edu/surgery/anatomy/radiology/diverticulitis_content.php
SLIDE 1
Goals
To examine how diverticulitis affects the:
1. Wall of the colon
2. Lumen of the colon
3. Fat in the mesentery of the colon
SLIDE
Normal and diseases sigmoid colon are shown for comparison. The sigmoid colon is filled with contrast.
Compare:
- In the sigmoid colon: width of the colon, width of the lumen
- In the neighboring fat: stranding due to inflammatory response, normal fat
SLIDE 2
SUMMARY
1. Inflammation causes a thickening of the colon wall that narrows the lumen
2. Stranding is the radiographic appearance of an inflammatory response by the fat in the mesentery