title: Combined asymptomatic congenital anterior and posterior deficiency of the atlas.
abstract: Atlas anomalies in terms of clefts and aplasia are rare. They can sometimes simulate fractures and need further evaluation. Imaging in terms of CT and MR can help resolve diagnostic confusion and also outline associated neurological involvement. A rare anomaly of anterior and posterior atlas arch, previously unclassified, is presented.
authors.affiliation: Department of Pediatric Orthopedic Surgery, The Valley Children's Hospital, Madera, CA 93638-8762, USA. hosalkarharish@hotmail.com
authors.forename: H S
authors.initials: HS
authors.lastname: Hosalkar
authors.forename: J A
authors.initials: JA
authors.lastname: Gerardi
authors.forename: B A
authors.initials: BA
authors.lastname: Shaw
mesh_terms: D001270:Cervical Atlas / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002675:Child, Preschool; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008297:Male; D014057:Tomography, X-Ray Computed