原发性输卵管癌,早期多无特殊表现,典型症状为阴道排液、腹痛和盆腔肿块,其阴道排液多为浆液性或浆液血性;滴虫性阴道炎,由阴道毛滴虫感染引起,主要症状为阴道分泌物增多,呈稀水样、泡沫状,伴外阴瘙痒;对仅表现为阴道排液的不典型病例,两种疾病的鉴别诊断十分重要。现将1例外院误诊为阴道毛滴虫感染的原发性输卵管癌报道如下。 Primary fallopian tube cancer, early no more special performance, the typical symptoms of vaginal discharge, abdominal pain and pelvic mass, the vaginal discharge is mostly serous or serous bloody; Trichomonas vaginitis, caused by Trichomonas vaginalis infection, The main symptoms of vaginal discharge increased, was a thin watery, foamy, with genital itching; manifested only for atypical cases of vaginal discharge, the differential diagnosis of two diseases is very important. Now a case of misdiagnosed as Trichomonas vaginalis infection of primary fallopian tube cancer reported below.