Mesentery

The mesentery is a continuous fold of peritoneum (the thin membrane lining the abdominal cavity) that attaches the intestines and other abdominal organs to the back wall of the abdomen. It carries the blood vessels, lymphatic vessels, and nerves that supply the bowel, and helps hold these organs in their proper position.

Origin

From the Greek mesos (middle) and enteron (intestine), literally "middle of the intestine." Long described as a fragmented set of structures, it was reclassified as a single continuous organ in 2016 based on anatomical research by J. Calvin Coffey and colleagues.

Significance in Asbestos Context

The mesentery is part of the peritoneum, and peritoneal mesothelioma, a cancer caused by swallowed or migrated asbestos fibers, can involve or originate from mesenteric surfaces. On CT scans, doctors look for thickening, nodules, or "caking" along the mesentery as a sign of peritoneal disease. Patients diagnosed with peritoneal mesothelioma should ask whether imaging or surgical reports describe mesenteric involvement, because the extent of mesenteric disease affects whether cytoreductive surgery with HIPEC (heated chemotherapy) is feasible and influences prognosis. These details in operative and pathology reports can also become important evidence in a legal claim by documenting the location and spread of the disease.

Example Sentence

The surgeon's operative report noted tumor deposits along the small bowel mesentery, which limited how much disease could be safely removed during cytoreduction.

Related Terms

Peritoneum, Peritoneal Mesothelioma, Omentum, Cytoreductive Surgery, HIPEC, Ascites

Notes

• If you have peritoneal mesothelioma, ask your oncologist or surgeon specifically whether the mesentery is involved and to what extent. This is a key factor in surgical eligibility.
• Request copies of CT and MRI reports and look for terms like "mesenteric thickening," "mesenteric nodules," or "mesenteric implants"; these descriptions matter for both treatment planning and legal documentation.
• Preserve all operative notes and pathology reports that describe mesenteric tumor location, because they help establish the diagnosis and disease extent in an asbestos claim.
• Consider a second opinion at a center experienced in peritoneal surface malignancy (such as a program performing cytoreductive surgery with HIPEC) before accepting that mesenteric disease is inoperable.