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病人,男,50岁,体检发现左肾占位。病人无明显临床症状,二便正常,尿常规未见明显异常。血生化示尿酸598μmol/L。腹部CT平扫显示双肾形态规则,无异常增大萎缩,双肾多发囊肿,左肾中极背侧可见一包块,约2 cm×2 cm大小,增强扫描肿瘤均匀强化;另中极腹侧见一略高密度团块,增强扫描时略强化,较肾脏皮质强化程度低。考虑诊断:左肾较大包块考虑肾透明细胞癌,较小团块考虑良性病变(图1)。
Patient, male, 50 years old, physical examination found left kidney space. No obvious clinical symptoms, two will be normal, no obvious abnormal urinary routine. Blood biochemical uric acid 598μmol / L. Abdominal plain CT showed the morphology of the kidneys, no abnormal increase in shrinkage, multiple nephrotic cysts, the left kidney in the dorsal can be seen a mass of about 2 cm × 2 cm size, enhanced scanning of the tumor even enhanced; Side see a slightly higher density of clumps, enhanced slightly enhanced scan, lower than the enhanced renal cortex. Consider the diagnosis: Consider renal clear cell carcinoma in the larger kidney mass of the left kidney and benign lesion in the smaller mass (Figure 1).