Surgical Treatment of Mesenteric Lymphatic Malformations in Children: An Observational Cohort study |
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Institution: | Department of General Surgery, Beijing Children''s Hospital, Capital Medical University, National Center for Children''s Health, Beijing, China |
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Abstract: | BackgroundFew studies have analyzed the cyst characteristics and complications of mesenteric lymphatic malformations (ML). This study aimed to compare ML's cyst characteristics and preoperative complications at different locations and suggest a modified ML classification for patients requiring surgery.MethodsIn total, 157 ML patients underwent surgery at Beijing Children's Hospital between January 2010 and December 2021. The cyst characteristics and preoperative complications were reviewed. The surgical methods for ML were analyzed according to the modified ML classification (Type I, n = 87, involving the intestinal wall; Type II, n = 45, located in the mesenteric boundaries; Type III, n = 16, involving the root of the mesentery; Type IV, n = 7, multicentric ML; Type V, n = 2, involving the upper rectum).ResultsOverall, 111 (70.7%) ML were located at the intestinal mesentery and 44 (28.0%) at the mesocolon. Type I and type II ML mainly involved intestinal mesentery (64.9%) and mesocolon (56.8%), respectively (P < 0.001). Microcystic-type ML and ML with chylous fluid were only located in the intestinal mesentery. Intestinal volvulus was only found in patients with ML in the intestinal mesentery (P < 0.001), whereas ML in the mesocolon were more prone to hemorrhage (P = 0.002) and infection (P = 0.005). ML in the jejunal mesentery was an independent risk factor for intestinal volvulus (OR = 3.5, 95% CI 1.5–8.3, P = 0.003). The surgical methods significantly differed between Type I and type II ML (P < 0.001).ConclusionsML at different locations have different characteristics. For patients requiring surgery, the new ML classification can be used to select an appropriate surgical method.Level of EvidenceLevel III. |
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Keywords: | Mesenteric lymphatic malformation Characteristic Preoperative complication Classification Surgical method ML"} {"#name":"keyword" "$":{"id":"kwrd0040"} "$$":[{"#name":"text" "_":"mesenteric lymphatic malformations |
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