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目的探讨肠系膜淋巴管瘤（ＭＬ）的ＣＴ表现。材料与方法经病理及临床证实的ＭＬ５例，均为男性，年龄８～４０岁，平均２９岁。采用ＴＣＴ－３００ＳＣＴ机直接增强扫描，扫描时间４．５秒，层厚１０ｍｍ。结果单发囊肿１例，多发或（和）多房囊肿４例，囊壁菲薄、光滑，均有分隔，囊内密度均匀，其中３例囊内见肠系膜血管。４例源于小肠系膜，１例源于结肠系膜。结论ＭＬ好发于小肠系膜，多呈巨大分叶状、多房性薄壁囊肿，囊内含肠系膜血管是ＭＬ的特征性表现。
Objective To investigate the CT features of mesenteric lymphangioma (ML). Materials and Methods Pathologically and clinically confirmed ML5 cases were all males, aged 8 to 40 years and average 29 years old. The TCT-300SCT machine was used for direct enhanced scanning with a scan time of 4.5 seconds and a layer thickness of 10mm. Results One case had single cysts, multiple or (and) multi-room cysts in 4 cases. The wall of the cysts was thin and smooth, and the cysts were separated. The density of the cysts was uniform. Among them, 3 cases showed mesenteric vessels. 4 cases originated from the small mesenteric and 1 case originated from the mesentery. Conclusions ML is predominant in the mesentery of the small intestine. Most of the MLs are lobulated and multilamellar cysts. Mesenteric vessels in the cyst are characteristic features of ML.