[Malignant tumor of the floor of mouth in a patient with membranous nephrosis: Report of one case].

The membranous nephropathy is a common cause which initiates adult's nephropathy syndrome. It's generally considered to be immune compound-mediated at the present time, and has a great variety of antigen. The tumor-relevant antigen holds an important position in the elder's membranous nephropathy. This article reported a case of malignant tumor of mouth floor complicated with membranous nephropathy, and discussed some problems that were encountered during clinical care. It's believed that only radical resection of the malignant tumor of the mouth floor for this kind of patient can achieve good results from the therapy of membranous nephropathy.