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患者男,76岁。因左侧腰背部疼痛1个月入院,CT检查提示左肾肿瘤(图1、2)。体格检查:浅表淋巴结未触及明显肿大,心、肺未见明显异常。血、尿、粪常规及肝肾功能无异常。行DSA下造影检查提示左肾动脉造影见左肾动脉非病变主要供血血管,选腰动脉进行造影,见左侧第2、3腰动脉均增粗,造影明确其参与腹膜后占位血供。肿物穿刺后病理检查提示小细胞肿瘤(图3)。结合免疫组织化学结果,高度怀疑为B细胞性淋巴瘤(侵袭性)。免疫组织化学结果:CD20(++)(图4),CD3(-)(图5),CD34(-),CD99(-),CKpan(-),EMA
Male patient, 76 years old. Left back and back pain for 1 month due to hospitalization, CT examination prompted left renal tumors (Figure 1, 2). Physical examination: superficial lymph nodes did not touch the obvious enlargement, heart, lung no obvious abnormalities. Blood, urine, fecal routine and no abnormal liver and kidney function. Line DSA under angiography prompted left renal artery angiography seen in non-lesion of the left renal artery blood vessels, select the lumbar artery angiography, see the left and second lumbar artery thickening, angiography clearly involved in retroperitoneal space-occupying blood supply. Pathological examination of the tumor after puncture prompted small cell tumors (Figure 3). Combined with immunohistochemical findings, B-cell lymphoma (aggressive) is highly suspected. Immunohistochemistry Results CD20 (++) (Figure 4), CD3 (-) (Figure 5), CD34 (-), CD99 (-), CKpan (-), EMA