title: Early prenatal diagnosis of an infratentorial arachnoid cyst: association with an unbalanced translocation.
abstract: Arachnoid cysts are an uncommon central nervous system malformation, representing only 1 per cent of all intracranial masses. We report the second-trimester prenatal diagnosis of a posterior fossa arachnoid cyst, associated with an unbalanced X;9 translocation.
authors.affiliation: Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Magee-Womens Hospital, PA 15213, USA.
authors.forename: W A
authors.initials: WA
authors.lastname: Hogge
authors.forename: P
authors.initials: P
authors.lastname: Schnatterly
authors.forename: J E
authors.initials: JE
authors.lastname: Ferguson
mesh_terms: D000328:Adult; D016080:Arachnoid Cysts / Q000000981:diagnostic imaging* / Q000235:genetics; D003388:Cranial Fossa, Posterior; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging / Q000235:genetics; D006801:Humans; D011247:Pregnancy; D014178:Translocation, Genetic; D016216:Ultrasonography, Prenatal