异物诱发膀胱结石偶见。我们遇到1例以金属铁丝为核心形成的巨大膀胱结石,报告如下。男,3 5岁,反复腰痛2月余,加重10d ,拟“腰椎结核”收住入院。患者有排尿中断史10余年。查体:耻骨联合上方可触及一隆起性包块,质地硬,活动度差。腹部平片检查时发现有巨大膀胱结石,内有金属异? Foreign body induced bladder stones occasionally. We encountered a case of metal wire as the core of the formation of a huge bladder stones, the report is as follows. Male, 35 years old, repeatedly lumbago more than 2 months, increased 10d, to be “lumbar tuberculosis” admitted to hospital. Patients have urination interruption history of more than 10 years. Physical examination: pubic symphysis can reach above a bump mass, hard texture, poor activity. Abdominal plain film found a huge bladder stones, there are different metal?