title: Preduodenal Portal Vein Associated with Duodenal Obstruction of other Etiology: A Case Series.
abstract: DuodenalPreduodenal portal vein is a rare and interesting entity which often causes duodenal obstruction. It is also associated with other congenital anomalies. We report here three cases of preduodenal portal vein associated with other anomalies causing duodenal obstruction not related to direct compression by portal vein itself.
authors.affiliation: Department of Pediatric Surgery, S N Medical College Agra.
authors.forename: Punit
authors.initials: P
authors.lastname: Srivastava
authors.affiliation: Department of Pediatric Surgery, Liaquat National Hospital, Karachi, Pakistan.
authors.forename: Mishraz
authors.initials: M
authors.lastname: Shaikh
authors.affiliation: Department of Pediatric Surgery, Children Hospital Faisalabad.
authors.forename: Bilal
authors.initials: B
authors.lastname: Mirza
authors.affiliation: Department of Pediatric Surgery, S N Medical College Agra.
authors.forename: Richa
authors.initials: R
authors.lastname: Jaiman
authors.affiliation: Department of Pediatric Surgery, Liaquat National Hospital, Karachi, Pakistan.
authors.forename: Muhammad
authors.initials: M
authors.lastname: Arshad
keywords:  Duodenal Atresia; Heterotaxy; Polysplenia; Preduodenal portal vein ; Situs inversus