由正常肾脏实质形成的肾内肿块,称为肾脏假性肿瘤。虽经应用现有各种检查方法,有时与肾脏肿瘤仍难鉴别,须行手术探查或标本的组织学检查,才能得出最后诊断。本文报告一例肾分叶畸形的肾脏假性肿瘤。颜××,女,46岁,住院号66388,因左侧腰痛,尿频,尿色红,尿液化验红细胞++++,作分泌性尿路造影检查提示左肾中部有占位性病变,于1976年10月9日入院。经检查血压130/80毫米汞柱,左肾区有叩击痛,血常规及凝血机制正常,尿常规正常,尿培养阴性,血清尿素氮8.6毫克％,尿液找癌细胞2次阴性,超声波左肾稍增大,膀胱镜检查为正常膀胱,逆行肾盂造影左肾中盏仍有受压改变(附图),肾脏同位素扫描左肾外形增大,有放射性稀疏, The nephrotic mass formed by normal kidneys, known as renal pseudo-neoplasms. Although the application of existing methods of examination, sometimes with renal tumors is still difficult to identify, to be surgical exploration or specimen histological examination, in order to draw the final diagnosis. This article reports a case of renal follicular nephroma malformation tumors. Yan × ×, female, 46 years old, hospital number 66388, due to left lower back pain, frequent urination, urine color red, urine test erythrocyte ++++, for urinary tract urinalysis examination prompted the central left kidney with lesions, In October 9, 1976 admission. The examination of blood pressure 130/80 mm Hg, left kidney area percussion pain, blood and clotting mechanism is normal, normal urine, urine culture negative, serum urea nitrogen 8.6 mg%, urine to find cancer cells 2 negative, ultrasound Left kidney slightly increased, cystoscopy as normal bladder, retrograde pyelography left kidney in the lamp is still under pressure changes (with photos), renal isotope scan left kidney shape increases, with radioactive sparse,