肾嗜酸细胞腺瘤的CT表现与病理对照分析

摘要

目的 探讨肾嗜酸细胞腺瘤的CT表现与病理对照分析,以提高对本病的认识.方法 回顾性分析经病理证实的8例肾嗜酸细胞腺瘤患者的影像与病理资料.8例均行CT平扫及多期增强扫描,包括肾皮质期、髓质期和排泄期.结果 CT平扫示8例患者均为单发,7例位于右肾,1例位于左肾,最大径3.9～13.0cm,平均5.9cm,均大于3cm,1例可见钙化.增强扫描:皮质期8例病灶均明显强化.髓质期7例病灶持续强化,8例病灶内可见“星芒状”瘢痕,6例有相对完整假包膜.结论 肾嗜酸细胞腺瘤的CT表现与病理表现有相关性,CT表现典型者可作出正确诊断.%Objective To discuss the imaging features and pathological check analysis of renal oncocytoma, and to make a further understanding of the disease. Methods The imaging features and pathological data of 8 pathology proved oncocy-tomas were reviewed retrospectively. All patients underwent pre-contrast and multiple phase contrast scanning on multi-slice CT. Results On CT pre-contrst images, all patients had solitary lesion, the location of oncocytoma were in right kidney (n=7) and left kidney (n= 1). The maximum dimension of lesion ranged from 3. 9-13. 0 cm (average 5. 9 cm), all bigger than 3 cm. one with calcification. 8 lesions showed obvious enhancement on the cortior-medullary phase; on the pa-renchymal phase, 7 lesions showed continuous enhancement. Central stellate scar was found in all 8 lesions and psudocap-sule was observed in 6. Conclusion Most of the oncocytomas show certain characteristics of CT image and pathology, which are helpul for X-ray doctor to make the diagnosis of oncocytoma.