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目的:探讨肠系膜及腹膜后淋巴管瘤的CT表现。方法:回顾性分析经临床手术病理证实的13例腹部脏器外淋巴管瘤的CT表现。结果:CT显示6例单囊;7例多囊,2例呈弥漫微囊;无壁7例,囊壁菲薄4例,增强后无强化;厚壁2例,增强后强化;5例有分隔,增强后强化;钙化1例;肠系膜血管征2例;11例囊内为均匀水样密度;肿块最小2cm,最大32cm。结论:腹部淋巴管瘤的影像学表现为单囊或多囊,部分较大肿块呈分叶状,无壁或壁菲薄,囊内密度均匀,为水或更低密度,少见钙化,肠系膜血管征为其特征性表现,CT对定位定性具有重要价值。
Objective: To investigate the CT findings of mesentery and retroperitoneal lymphangioma. Methods: CT findings of 13 cases of extrahepatic lymphangioma of abdominal organs confirmed by clinical surgeries were analyzed retrospectively. Results: CT showed 6 cases of single capsule; 7 cases of multi-capsule, 2 cases were diffuse microcapsules; no wall in 7 cases, thin wall in 4 cases, no enhancement after enhancement; thick wall in 2 cases, enhanced enhancement; , Enhanced and enhanced; calcification in 1 case; mesenteric vascular signs in 2 cases; 11 cases of uniform density of water within the capsule; the smallest mass 2cm, maximum 32cm. CONCLUSIONS: The imaging findings of lymphangioma in the abdomen are single or multiple cysts. Some larger lumps are lobulated, with no walls or thin walls. The density of the cyst is uniform, with water or lower density, rare calcification, mesenteric vascular signs For its characteristic performance, CT has important value for the localization and characterization.