异位生长于宫颈的绒癌十分罕见,现报道1例预后良好的宫颈原发性绒癌:患者因突发性阴道流血急诊入院,平素月经周期(28天)规则,7次经阴道分娩史,停经4个月,体检一般情况良好,宫颈处有一红色肿块、触之易出血。子宫正常大小,未及宫旁肿块。肿块活检发现合体细胞滋养层呈增结状,其细胞质多少不一,且边界不清,细胞核增大,不规则,染色深,核仁增大,核分裂丰富,并可见肿瘤坏死灶及纤维沉淀,尿hCG定量达160000U/L,盆腔B超检 Ectopic growth of cervical choriocarcinoma is very rare, is reported in 1 case of good prognosis of cervical primary choriocarcinoma: patients with sudden vaginal bleeding emergency admission, normal menstrual cycle (28 days) rule, 7 times vaginal delivery history , Menopause 4 months, physical examination in good condition, a red mass at the cervix, touch the easy bleeding. The normal size of the uterus, uterine mass and not. Tumor biopsy found syncytiotrophoblast was increased nodules, the number of cytoplasm is not uniform, and the border is unclear, the nucleus increases, irregular, dark staining, increased nucleolus, mitotic abundance, and visible tumor necrosis and fibrous deposits, Urine hCG quantitative up to 160000U / L, pelvic B ultrasound