A rare case of ectopic pregnancy - retroperitoneal ectopic pregnancy. Veleminsky M, Stepanek O, Koznar P, Michal M, Mainzerová P, Stikova Z. Case Reports 2018; 39(3): 156-159 PubMed PMID: 30431737 Keywords: Adult, Female, Humans, Laparoscopy, Laparotomy, Pregnancy, Pregnancy, Abdominal:diagnostic imaging, Retroperitoneal Space:diagnostic imaging, Ultrasonography,. Citation : Ectopic pregnancy is a condition when fertilized egg implants outside the uterine cavity. The reported incidence is about 0.5-1% of all ..... Read abstract Full text PDF