胃肠道间质瘤的多层螺旋CT诊断价值  

Gastrointestinal stromal tumor of the multi-slice spiral CT in diagnosis and differential diagnosis

作　　者：沈昌山 胡元成[1] 郑桥如 

机构地区：[1]天长市人民医院影像科,239300

出　　处：《安徽医学》2012年第10期1361-1363,共3页Anhui Medical Journal

摘　　要：目的探讨多层螺旋CT(MSCT)对胃肠道间质瘤(GIST)的诊断及鉴别诊断价值。方法回顾性分析15例GIST的临床及多层螺旋CT资料,对肿瘤大小、密度、强化程度进行比较。结果病灶分布于食管1例,胃7例,十二指肠1例,空肠2例,回肠3例,肠系膜根部1例。MSCT主要表现为圆形、类圆形及不规则肿块,具有跨腔内外生长或腔外生长为主的特征。良性4例,肿瘤平扫密度均匀,增强肿瘤明显均匀强化。交界性3例,恶性8例,其中有7例直径大于8 cm,肿块不规则,密度不均匀,增强肿块不均匀强化,内部出血、坏死、囊变,局部无淋巴结转移。结论 GIST的CT表现有一定的特征,MSCT检查对GIST的诊断与鉴别诊断具有重要的作用。Objective To explore the diagnosis and differential diagnosis value of multislice helical CT （ MSCT ） on gastrointestinal stromal tumor （GIST）. Methods The clinical and multislice spiral CT data of 15 cases GIST were retrospectively analyzed. The tumor size, density, and the degree of strength were compared. Results Distribution of lesions was found in 1 case of esophagus, 7 cases of stomach, 1 case of duodenum, 2 cases of jejunum, 3 cases of ileum, and 1 case of the root of the mesentery. MSCT mainly showed round, quasi-round and irregular mass, with mainly features as cross inside or outside the cavity growth or outer cavity growth. There were 4 cases of benign tumor with plain uniform density and hgmogeneous enhancing in enhanced tumor, 3 borderline cases, and 8 malignant cases, 7 cases of which had the diameter of more than 8cm, with an irregular mass, uneven density, enhancing mass with heterogeneous enhancement, internal bleeding, necrosis, cystic change, and no local lymph node metastasis. Conclusion CT of GIST has certain characteristics. MSCT examination plays an important role inthe diagnosis and differential diagnosis of GIST, and helps guide the treatment scheme.

关 键 词：胃肠道间质瘤 螺旋CT 诊断 

分 类 号：R735[医药卫生—肿瘤]