吸刮术是鉴别异位妊娠和异常宫内孕常用的方法,但术后还需行病理组织学检查,耗时长,延误确诊。一种完全非手术的可靠方法——Karman套管抽吸法及其吸出物显微镜检查可提供快速、高效、稳定地诊断宫外孕的新途径。美国田纳西州Memphis地区医疗中心对可疑宫内孕失败(空卵)或异位妊娠共46例用Karman套管抽吸法获取并鉴定绒毛,并 Suction curettage is a common method to identify ectopic pregnancy and abnormal intrauterine pregnancy, but histopathological examination is still required after surgery, which takes a long time and is delayed in diagnosis. A completely non-surgical and reliable method, the Karman cannula aspiration method and its aspiration microscopy provides a new way to diagnose ectopic pregnancy quickly, efficiently and stably. Forty-six cases of suspected intrauterine pregnancy failure (empty eggs) or ectopic pregnancy at the Memphis Regional Medical Center in Tennessee, USA, were obtained by Karman cannulation aspiration and identification of villi