ＣＴ误诊高密度肾囊肿一例葛立肾囊肿ＣＴ扫描呈高密度时易误诊。笔者报告一例将囊肿误诊为结石。患者男，４４岁。左腰背痛半年。体检：双肾未及，左肾区叩痛。腹平片和静脉肾盂造影无异常，尿检阴性。ＣＴ示左肾中、下部前内侧皮质与肾盏交界处３．６ｃｍ×１．８ｃｍ大... CT misdiagnosis of a case of high density renal cysts Ge Li Ren cyst CT scan was easily misdiagnosed. One case of the author misdiagnosed as cyst stones. Male patient, 44 years old. Left lower back pain for six months. Physical examination: kidney and the left kidney area percussion pain. Abdominal plain film and intravenous pyelography no abnormalities, urine test negative. CT showed left kidney, the lower anteromedial cortex and calyx junction 3.6cm × 1.8cm large ...