Laparoscopic management of perivascular a retroperitoneal perivascular ectopic pregnancy

Retroperitoneal ectopic_pregnancy(REP)is one of the most special species of abdominal pregnancy.Due to possible invasion of retroperitoneal macrovascular,inconspicuous clinical manifestation and difficulty of diagnosis from imaging,the diagnosis and treatment of REP are easy to be delayed.REP represents a great challenge to surgeons due to the rarity and varying clinical presentations,from asymptomatic patients to patients with unstable haemodynamics,in cases of advanced ruptured ectopic gestation presenting with life-threatening retroperitoneal haemorrhage.Therefore,although REP accounts for only 1%of ectopic pregnancy.