膜性肾病是引起成人肾病综合征的常见原因 ,目前普遍认为它是免疫复合物介导的 ,其抗原种类繁多 ,其中肿瘤相关性抗原在老年人膜性肾病中占有重要地位。文献报道中 ,与膜性肾病相关的肿瘤以上皮性肿瘤最为多见 ,其次是淋巴造血系统肿瘤 ,而良性肿瘤则较为少见[1] 。现将本院收 Membranous nephropathy is a common cause of adult nephrotic syndrome. It is generally accepted that it is mediated by immune complexes and has a wide range of antigens. Tumor-associated antigens play an important role in membranous nephropathy in the elderly. Reported in the literature, associated with membranous nephropathy epithelial tumors most commonly seen, followed by lymphoid hematopoietic tumors, while benign tumors are relatively rare [1]. Now the hospital closed