16排螺旋CT对胃肠间质瘤的诊断价值

Value of 16-slices spiral-CT in diagnosing the gastrointestinal stromal tumors

目的评价16排螺旋CT扫描检查对胃肠道间质瘤的诊断价值。方法对我院2004年10月-2008年12月共12例经手术病理和免疫组化证实的胃肠间质瘤的16排螺旋CT表现进行回顾性分析。结果胃肠间质瘤的螺旋CT扫描常见表现特征为:①肿块多腔外生长,呈密实性,较大肿块其内可见囊变坏死区;②肿块增强动脉期呈散在斑片样中等强化,静脉期呈均匀明显强化;③肿块范围超过5cm,且与周围组织分界不清时考虑肿瘤恶变。结论16排螺旋CT扫描检查对胃肠间质瘤的定位、定性诊断具有重要价值。

Objective To evaluate the value of 16-slices spiro CT in the diagnosis of gastrointestinal stromal tumors.Methods Twelve cases of gastrointestinal stromal tumors proved by pathology and immuno-histochemistry were analyzed retrospectively.Results The main CT manifestations included:①most of the tumors were extraluminal and solid,cystic change was found in the tumors the size of which were large.②middle enhancement can be seen in the artery phase,and obvious enhancement in the venous phase.③the size of the tumors was larger than 5 cm and the margin of which with the neighbor tissue was not clear should be considered malignant chang.Conclusion 16-slices spiro CT examination can provide important value for the location and qualitative diagnosis of the gastrointestinal stromal tumors.