title: Fetus in fetu: A report of two cases.
abstract: Fetus in fetu is a rare condition that has been defined as the presence of one of the twins in the body of the other. It is most frequently located in retroperitoneal area; however, it has been reported in other locations as well. This report presents two cases of "fetus in fetu" cases: one located in the retroperitoneal area and the other in the sacrococcygeal area.
authors.affiliation: Department of Pediatric Surgery, Dr. Sami Ulus Children's Hospital, Ankara, Turkey.
authors.forename: Ibrahim
authors.initials: I
authors.lastname: Karaman
authors.forename: Derya
authors.initials: D
authors.lastname: Erdoğan
authors.forename: Semire
authors.initials: S
authors.lastname: Ozalevli
authors.forename: Ayşe
authors.initials: A
authors.lastname: Karaman
authors.forename: Y Hakan
authors.initials: YH
authors.lastname: Cavuşoğlu
authors.forename: M Kemal
authors.initials: MK
authors.lastname: Aslan
authors.forename: Ozden
authors.initials: O
authors.lastname: Cakmak