OBJECTIVE. The purpose of this study was to determine the added diagnostic
value of CT for the diagnosis of visceral angioedema.
CONCLUSION. Thickening of the small-bowel wall and mucosa with increased co
ntrast enhancement depiction of more layers of the small-bowel wall than no
rmal, prominent mesenteric vessels, ascites. and fluid accumulation in the
small bowel or together in the small bowel and the colon were the most sign
ificant CT findings in three patients with visceral angioedema. Findings ap
pear to be transient.