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目的分析腹部炎性肌纤维母细胞瘤(IMT)CT扫描的特征表现,探讨其临床作用。方法对2005至2009年经手术病理证实的13例腹部IMT初诊CT扫描及其中2例复发肿瘤的CT扫描表现进行回顾性总结。结果 15例CT扫描全部表现为明确占位,并呈现不同程度的密度不均,11例瘤体内部见形态不规则低密度区,5例伴有液性囊腔,2例边缘伴钙化;肿瘤边界较清晰者10例,3例外缘见低密度带,2例周围有血管增粗。增强扫描肿物不均匀强化,持续时间较长,为“慢进慢出”的改变。结论 CT扫描能够为腹部IMT的诊断及鉴别诊断提供有价值的信息。
Objective To analyze the characteristics of CT scan of abdominal inflammatory myofibroblastic tumor (IMT) and discuss its clinical effect. Methods The CT scan findings of 13 cases of newly diagnosed IMT from 2005 to 2009 confirmed by surgery and pathology and 2 cases of recurrent tumors were reviewed retrospectively. Results All 15 CT scans showed clear space occupancy and showed varying degrees of density unevenness. 11 cases showed abnormal low-density area inside the tumor, 5 cases had liquid cysts and 2 cases had margins with calcification. Tumors 10 cases with a clear border, 3 cases of low density with the outer edge, 2 cases of peripheral blood vessels thickening. Enhanced scan of the uneven heterogeneity of the lesion, the longer duration, as “slow into slow out ” change. Conclusion CT scan can provide valuable information for the diagnosis and differential diagnosis of abdominal IMT.