In trauma victims, the defect is usually closed, sometimes with resection of the associated bowel, which may have lost its blood supply.

[1] Also mesenteric defects are intentionally created in the Roux-en-Y gastric bypass procedure, being classically known as a Petersen's hernia.

[3] The mesenteric defect in such cases, called Petersen's defect, is located between the transverse colon and the mesentery of the alimentary limb (the segment of the jejunum from the jejunojejunostomy until the connection with the proximal segment of the stomach) at the level of the jejunojejunostomy.

[4] Internal hernias are difficult to identify in women, and misdiagnosis with endometriosis or idiopathic chronic pelvic pain is very common.

One cause of misdiagnosis that when the woman lies down flat on an examination table, all of the medical signs of the hernia disappear.