Mesenteric cysts are a very rare cause of abdominal pain and have a wide range of underlying causes.
Mesenteric cysts are rare, with a reported incidence of 0.5-1 per 100,000 admissions 3.
Patients usually present with abdominal pain and/or mass, although the cysts can be an asymptomatic, incidental finding 3.
- lymphatic: simple lymphatic cyst and lymphangioma
- mesothelial: simple mesothelial cyst, benign cystic mesothelioma, and malignant cystic mesothelioma
- enteric: enteric cyst and enteric duplication cyst
- mature cystic teratoma (dermoid cysts)
- non-pancreatic pseudocysts (infectious and traumatic cysts)
Mesenteric cysts can occur anywhere in the mesentery, from the duodenum to the rectum, and may extend into the retroperitoneum. Mesenteric cysts are cystic mesenteric lesions that can be further characterised by the wall thickness (thin or thick walled) and their loculation (unilocular or multilocular).
The main differential diagnosis is:
- 1. Johnson PT, Horton KM, Fishman EK. Nonvascular mesenteric disease: utility of multidetector CT with 3D volume rendering. Radiographics. 2009;29 (3): 721-40. Radiographics (full text) - doi:10.1148/rg.293085113 - Pubmed citation
- 2. De Perrrot Marc, Brundler MA, Totsch Martin, Mentha Gilles. Mesenteric cysts - towards less confusion?. Dig Surg. 2000; 17:323-8.
- 3. Liew SC, Glenn DC, Storey DW. Mesenteric cyst. Aust N Z J Surg. 1994;64 (11): 741-4. Pubmed citation