A mesenteric cyst (MeSH C04.182.473) is a cyst in the mesenterium, and is one of the rarest abdominal tumors, with approximately 822 cases reported since 1507. The incidence is between 1 per 100,000 to 1 per 250,000 hospital admissions.
- a fluctuating swelling near the umbilicus,
- freely mobile in the direction perpendicular to the attachment of mesentry,
- with a zone of resonance around the swelling.
It is basically of two types : 1. Chylolymphatic most common type, thin wall, lined by flat endotheliun, clear chylous fluid present, separate blood vessels 2. Enterogenous-thick wall, lined by columnar, mucinous fluid present common blood supply
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