RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58094718 T1 Mesenteric & Omental Cyst T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58094718 RD 2024/10/08 AB • Rare developmental lesions thought to result from the sequestration of lymphatic tissue during development• Characterized by thin walls lined with endothelial cells without surrounding smooth muscle• Lesions located in the mesentery, omentum, or retroperitoneum• Cysts may be filled with serous lymphatic fluid (common in the mesocolon and omentum), or chyle (common in the small bowel mesentery)• Most lesions are benign• Cysts often become extraordinarily large before producing symptoms• Bleeding, rupture, torsion, and infection of the cyst may occur