Result After eliminating the laboratory technology factor, the methods ( dark-field microscope, the syphilitic spirochaeta ( IgM) examination, FTA-ABS) were conducted in order to confirm indeterminate results. 〔结果〕在排除了实验室技术因素后,可采用暗视野显微镜检查、梅毒螺旋体IgM抗体检测、荧光梅毒螺旋体抗体吸收试验,对不确定结果进行确认。