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胆囊腺瘤的M RI表现
引用本文:徐晶晶,宋彬,张蓓.胆囊腺瘤的M RI表现[J].医学影像学杂志,2014(12):2135-2138.
作者姓名:徐晶晶  宋彬  张蓓
作者单位:上海市闵行区中心医院放射科 上海 201199
摘    要:目的:探讨胆囊腺瘤的M RI表现特征,提高胆囊腺瘤M RI诊断水平。回顾性分析术前行M RI检查、术后经病理证实的37例患者的40枚胆囊腺瘤病灶的M RI表现。结果40枚胆囊腺瘤病灶中30枚位于胆囊体部,占75%;直径均数±标准差为(1.64±0.87)cm ,95%可信区间(1.36~1.92),其中直径>1cm有30枚,占75%。37例病例中35例为单发,占95%。40枚病灶中类圆形18枚,不规则形22枚;边缘光滑16枚,毛糙12枚,分叶12枚。40枚病灶中37枚T2 WI呈等高信号影,占92.5%;38枚呈广基,占95%。结论胆囊腺瘤具有相对特征性M RI表现:单发、T2 WI呈等高信号、直径>1cm ,掌握这些M RI表现有利于提高诊断准确性。

关 键 词:胆囊  腺瘤  磁共振成像

MRI features of gallbladder adenoma
XU Jing-jing,SONG Bin,ZHA NG Bei.MRI features of gallbladder adenoma[J].Journal of Medical Imaging,2014(12):2135-2138.
Authors:XU Jing-jing  SONG Bin  ZHA NG Bei
Institution:XU Jing-jing, SONG Bin, ZHA NG Bei( Department of Radiology, Minhang District Central Hospital, Shanghai 201199, P. R. China)
Abstract:Objective TodescribeandevaluatetheMRIfeaturesofgallbladderadenoma(GA)inordertoraiseawareness of the disease and the diagnostic level .Methods Clinical data and findings of MRI examination in 40 lesions with patho‐logically confirmed GA were reviewed retrospectively .Results Thirty of the 40 lesions with GA (75% ) were detected in body of gallbladder .The mean diameter of GA was (1 .64 ± 0 .87) cm (95% CI 1 .36-1 .92) .The diametes of 30 lesions (75% ) were more than 1 cm .The involvements of single lesion were found in 35 cases (95% ) .Among MRI images of 40 lesions ,the shape of GA presented nearly round lesion in 18 lesions ,irregular in 22 lesions .Sixteen of 40 lesions were smooth at the edge ,twelve were ill‐defined and twelve were lobulated .The findings of MRI were observed in 40 lesions , in which ,showed iso‐high signal intensity in T2 WI in 37 lesions (92 .5% ) and a broadbased interface in 38 lesions (95% ) . Conclusion The relative characteristic MRI findings for diagnosis of GA include iso‐high signal intensity in T2WI ,more than 1 cm in diameter ,single lesion .It would be helpful for improving the diagnosis accuracy while radiologists are getting aware of the features of GA on MRI scanning .
Keywords:Gallbladder  Adenoma  Magnetic resonance imaging
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