肠道脂肪瘤继发肠套叠的多层螺旋CT诊断  

MSCT diagnosis of intussusception caused by intestinal lipomas

作　　者：陈庆东 郑祥武[2] 许崇永[3] 邱乾德 

机构地区：[1]乐清市人民医院放射科,浙江省325600 [2]温州医科大学附属第一医院放射科 [3]温州医科大学附属第二医院放射科 [4]温州市人民医院影像科

出　　处：《中华普通外科杂志》2017年第5期402-405,共4页Chinese Journal of General Surgery

摘　　要：目的探讨肠道脂肪瘤继发肠套叠多层螺旋CT的表现特征与诊断价值。方法回顾性分析经手术及病理证实的25例肠道脂肪瘤继发肠套叠的多层螺旋CT表现，观察肿瘤的部位、大小、形状、密度、增强表现和肠套叠的形状及长度。结果本组25例脂肪瘤的肿瘤直径为1．2～6．5cm，平均（2．7±5．6）cm；肿瘤呈圆形或椭圆形18例，不规则形4例，管状形3例；肿瘤密度均匀19例，密度不均匀6例；增强13例，均见包膜轻度强化，瘤体无明显强化。肠套叠为回肠-回肠型7例，空肠-空肠型5例，空肠-回肠型2例，回肠-结肠型4例，结肠．结肠型7例；肠套叠长度为5～51cm，平均（23．4±3．6）cm；套人部与鞘部呈“同心圆”12例，“环靶征”7例，“香蕉状”6例。结论肠道脂肪瘤继发肠套叠的多层螺旋CT表现具有一定特征性，多层螺旋CT检查能清楚显示肿瘤位置、大小、形态。Objective To investigate the characteristics and diagnostic value of muhislice spiral CT （MSCT） of intestinal lipomas causing intussusception. Methods The MSCT findings of 25 cases with intestinal lipomas causing intussusception were retrospectively analyzed, the tumor location, size, shape, density,enhancement patterns and shape and length of intussusception were also observed retrospectively. Results Tumors were 1.2 - 6. 5 cm in diameter, round or oval in shape （ n = 18 ） , irregular shape （ n = 4）, tubular shape （n = 3） with uniform density （n = 19）, or uneven density （n = 6）. Under CT enhancement tumor capsule was moderately intensified. Intussusception included ileum-ileum type （ n = 7 ） , jejunum-jejunum type （ n = 5 ）, jejunum-ileum type （ n = 2）, ileum-colon type （ n = 4） , and colon-colon type （ n = 7 ）. Intussusception was 5.0 - 51.0 cm in length ; presenting as ＂concentric circles＂ （ n = 12）, ＂round target sign＂ （ n = 7 ）, or ＂ banana＂ （ n = 6 ） . Conclusion Intestinal lipoma complicating secondary intussusception has definite MSCT characteristics which can help establish diagnosis.

关 键 词：脂肪瘤 肠套叠 体层摄影术 螺旋计算机 

分 类 号：R730.44[医药卫生—肿瘤] R735.3[医药卫生—临床医学]