Elastotic Lesions of Intestinal Subserosal Fat: Report of Two Cases.

We report 2 unusual elastotic lesions of intestinal subserosal fat. The first arose in the small bowel subserosa of a 64-year-old woman with volvulus. It was undetected macroscopically and consisted of a relatively circumscribed focus of elastosis, with essentially no evidence of fibrosis or blood vessel walls within. The second arose in the subserosa of the sigmoid colon in a 46-year-old woman with recurrent diverticulitis. It was also undetected macroscopically and consisted of a well-circumscribed nodule of elastic fibers surrounding prominent veins and arteries. Both patients had unremarkable postoperative courses. These lesions likely represent localized response to injury and are probably underrecognized.