X线检查对盆腔阴性异物无何帮助,对阳性异物则可确定异物的存在,有时尚能准确地定位.但有些病例,病史不详或检查不全面时,定位也会发生困难,甚至误诊.现将我院误诊的一例报告如下:病历摘要女性,26岁,未婚.因外阴痒用发卡搔痒,发卡下落不明来院检查.盆腔正位(图1),子盆腔中部耻骨联合上约 X-ray examination of pelvic negative foreign body no help, positive foreign body can determine the existence of foreign body, there are fashion can accurately locate, but in some cases, the history is unknown or the inspection is not comprehensive, the positioning will be difficult, or even misdiagnosed. A case of misdiagnosis in our hospital are as follows: Medical summary Female, 26 years old, unmarried .Because genital itching with hairpin itch, card missing whereabouts unknown to the hospital .Patients pelvic anteroposterior (Figure 1)