The rarity of these lesions and lack of characteristic clinical features may present diagnostic difficulties. Most cases are asymptomatic. The clinical presentation relates to size, location, and complications, such as bowel obstruction, perforation, peritonitis, volvulus, or malignant degeneration. Presenting symptoms include abdominal distension, pain, and vomiting, mimicking appendicitis or an acute abdomen.2- 4 A painless, asymptomatic, compressible, and freely movable abdominal mass may be the mode of presentation. Mesenteric cysts may cause complete or partial intestinal obstruction or torsion of the small bowel.5,6 A hemorrhagic or ruptured mesenteric cyst following trauma7- 9 is an abdominal emergency.