乙型肝炎相关性肾炎(简称乙肝肾炎)为免疫复合物性肾炎之一种。临床表现复杂多样,常易引起误诊。现将我科1988年5月收治的两例误诊病例报告如下。例1 女,16月,因反复无痛性血尿(肉眼或镜下)月余,于1988年5月14日第二次入院。患儿无浮肿、尿少,无扁挑体炎、脓疱疮等链球菌感染病史,曾因血尿于同年4月20日住本科,按“急性肾炎”治愈出院, Hepatitis B-related nephritis (referred to as hepatitis B nephritis) is one of the immune complex nephritis. Complex and diverse clinical manifestations, often lead to misdiagnosis. Now my department in May 1988 admitted two cases of misdiagnosed cases are as follows. Example 1 Female, 16 months, due to repeated painless hematuria (macroscopic or microscopic) more than a month, on May 14, 1988 a second admission. Children with no edema, oliguria, no flat body baldhepatitis, impetigo and other streptococcal infection history, heurism was due to live in April 20 the same year undergraduate, according to “acute nephritis” cured discharged,