肾脏作为一个结外器官出现淋巴瘤是十分罕见的,原发的肾脏非霍奇金淋巴瘤在文献中已有报道,本病例报道的原发性肾脏非霍奇金淋巴瘤,以肾功能不全为首发疾病,未发现其他器官及淋巴结受累,合并红细胞增多症,现结合文献复习报道如下。1临床资料患者男性,68岁,因发现肾功能异常伴夜尿增多2年就诊。慢性肾功能不全诊断明确,既往高血压病史13年,病毒 Kidney as an extranodal organ lymphoma is very rare, the primary renal non-Hodgkin’s lymphoma has been reported in the literature, the cases reported in primary renal non-Hodgkin’s lymphoma, renal insufficiency As the first disease, no other organs and lymph nodes were found, with polycythemia, are reviewed in the literature are reported below. 1 Clinical data Male patients, aged 68, was found to have renal dysfunction with nocturia increased 2 years treatment. Chronic renal insufficiency diagnosis is clear, history of previous hypertension 13 years, the virus