title: Fetus in Fetu: Two Cases and Literature Review.
abstract: Fetus in fetu is a rare cause of abdominal mass in infants wherein a parasitic twin grows inside a host. The true etiology is unclear. Various theories have been postulated. We report two cases of retroperitoneal fetus in fetu in female infants.
authors.affiliation: Dept of Paediatric Surgery, TNMC & BYL Nair Hospital, Mumbai Central, Mumbai, Maharashtra. India.
authors.forename: Charu
authors.initials: C
authors.lastname: Tiwari
authors.affiliation: Dept of Paediatric Surgery, TNMC & BYL Nair Hospital, Mumbai Central, Mumbai, Maharashtra. India, E-Mail ID: hemanshisshah@gmail.com.
authors.forename: Hemanshi
authors.initials: H
authors.lastname: Shah
authors.affiliation: Dept of Paediatric Surgery, TNMC & BYL Nair Hospital, Mumbai Central, Mumbai, Maharashtra. India.
authors.forename: Vikrant
authors.initials: V
authors.lastname: Kumbhar
authors.affiliation: Dept of Paediatric Surgery, TNMC & BYL Nair Hospital, Mumbai Central, Mumbai, Maharashtra. India.
authors.forename: Gursev
authors.initials: G
authors.lastname: Sandlas
authors.affiliation: Dept of Paediatric Surgery, TNMC & BYL Nair Hospital, Mumbai Central, Mumbai, Maharashtra. India.
authors.forename: Shalika
authors.initials: S
authors.lastname: Jayaswal
mesh_terms: D005260:Female; D005333:Fetus / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D013724:Teratoma / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D014428:Twins, Conjoined / Q000473:pathology*; D014430:Twins, Monozygotic; D016216:Ultrasonography, Prenatal
keywords:  Mature;  Retroperitoneal;  Teratoma; Fetus in fetu