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目的评价螺旋CT多期扫描在小肾癌诊断中的价值。方法收集经手术病理证实的小肾癌14例,分析其螺旋CT平扫、皮质期、实质期及肾盂期的表现。结果CT平扫病灶呈等密度7例,稍低密度5例,稍高密度1例,1例为囊实性肿块,其中2例伴斑点状钙化。增强扫描皮质期12例呈明显强化,2例呈轻中度强化。肾实质期肿瘤密度迅速减退,肾盂期肿瘤密度进一步减退。结论小肾癌螺旋CT增强多期扫描征象有一定特征性,对小肾癌的诊断有重要价值。
Objective To evaluate the value of multislice spiral CT in the diagnosis of small renal cell carcinoma. Methods Fourteen cases of small renal cell carcinoma confirmed by surgery and pathology were collected. The CT scan, cortical phase, parenchymal phase and renal pelvis phase were analyzed. Results CT scan lesions showed equal density in 7 cases, slightly lower density in 5 cases, slightly higher density in 1 case, 1 case of cystic solid mass, of which 2 cases with speckled calcification. Enhanced scan of cortical phase was significantly enhanced in 12 cases, 2 cases were mild to moderate enhancement. Renal parenchymal tumor density decreased rapidly, renal pelvis tumor density further decreased. Conclusion Small renal cell carcinoma with enhanced multi-phase spiral CT scan has some characteristics of the small renal cell carcinoma of the diagnosis of great value.