嗜铬细胞瘤的多层螺旋CT诊断

目的探讨多层螺旋CT(MSCT)双期扫描对嗜铬细胞瘤的诊断价值。方法分析经手术病理证实的嗜铬细胞瘤25例CT双期扫描征象。结果 CT扫描显示,嗜铬细胞瘤发生于肾上腺者22例,异位者3例,多是单侧发病(21/22)。肿块较大,边界清楚,多为类圆形或椭圆形(20例)。肿块内密度多不均,出血、坏死常见(13/25),1例坏死严重。钙化较少见,增强扫描肿瘤实体部分明显强化。结论 MSCT双期扫描对嗜铬细胞瘤的定位、定性诊断有重要价值,并且可以显示肿瘤与周围组织结构、血管的关系,有助手术方案的选择和术后随访。

MSCT diagnosis of pheochromocytomas

Objective To summarize the CT signs of blunt renal trauma and to research into its CT classification and clinical significance.Methods Fifty-eight patients with blunt renal trauma underwent conventional multislice spiral CT(MSCT) scans of the abdomen within 1 h-4 days after the trauma,of whom,32 cases underwent also contrast-enhanced CT scans.CT findings including the severity of renal traumas,the involved extent of hematomas or exudative lesions and associated injuries of adjacent organs in all patients we...