摘要
目的 分析嫌色细胞肾癌的CT和MRI表现及少见征象,以进一步提高对疾病的认识.方法 回顾性分析经手术病理证实的16例嫌色细胞肾癌的CT和MRI表现.结果 CT检查13例,包括平扫密度均匀者8例,其中5例平扫病变密度高于正常肾实质,不均匀者5例,增强后密度均匀、不均匀者实质成分强化均明显,皮质期强化程度介于皮髓质间.MRI检查8例,其中2例信号均匀,呈长T1长T2信号,5例平扫出现T1WI高信号,强化模式与CT类似.5例患者同时行CT和MRI检查,密度、信号及强化模式类似.结论 嫌色细胞肾癌属于较少见的恶性肾细胞癌,CT和MRI可以反映其成分及血液动力学改变,平扫密度高或T1WI出现高信号、病变大而坏死少、病变内出现条带状强化等征象时有助于嫌色细胞肾癌的诊断.
Objective To analyze the CT and MRI performances of chromophobe cell renal carcinoma,to improve the understanding of the disease.Methods The CT and MRI performances of 16 patients with chromophobe cell renal carcinoma confirmed by post-operation pathology were analyzed retrospectively.Results Among 13 cases examined by CT,8 cases had homogeneous lesion including the homogeneous lesions density of 5 cases higher than that of normal renal parenchyma,and the other 5 cases had inhomogeneous density.After enhanced scan,the uneven essence ingredients were markedly enhanced in homogeneous density and inhomogeneous density cases,and the enhancement degree in arterial phase was lower than that of the renal cortex and higher than that of the renal medulla.Among 8 cases checked by MRI,2 cases had signal homogeneity with long T1 weighted imaging and long T2 weighted imaging signal,of which 5 cases appeared high signal in T1 weighted imaging flat lesions.The enhancement mode were similar with CT.In 5 patients examined by CT and MRI at the same time,their density,signal and the pattern strengthening were similar.Conclusions Chromophobe cell renal carcinoma is a rare malignant renal cell carcinoma,and CT and MRI can reflect the composition and hemodynamic changes.When homogeneity and high density or T1WI appeared high signal,disease was large and necrosis was less,and strengthening belt was appeared in lesions,it is value on diagnosis of chromophobe cell renal carcinoma.
出处
《肿瘤研究与临床》
CAS
2014年第8期535-538,共4页
Cancer Research and Clinic
基金
山西省科技厅科技攻关项目（2012013022-3）
关键词
肾肿瘤
嫌色细胞癌
体层摄影术
X线计算机
磁共振成像
Kidney neoplasms
Chromophobe cell carcinoma
Tomography, X-ray computer
Magnetic resonance imaging
