title: Accessory arm--dysraphism or disparity? Case report.
abstract: The case of a 3-month-old infant with an accessory third arm is reported. The extra appendage was attached at the midcervical region and was associated with posterior cervical dysraphism and a cervical cord lipoma. Possible theories of origin are examined.
authors.affiliation: Division of Neurosurgery, Hospital for Sick Children, Toronto, Ontario, Canada.
authors.forename: R P
authors.initials: RP
authors.lastname: Humphreys
authors.forename: K H
authors.initials: KH
authors.lastname: Manwaring
authors.forename: N C
authors.initials: NC
authors.lastname: Carroll
mesh_terms: D001132:Arm / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D006801:Humans; D007223:Infant; D008067:Lipoma / Q000150:complications; D008591:Meningomyelocele / Q000150:complications / Q000601:surgery; D009192:Myelography; D013120:Spinal Cord Neoplasms / Q000150:complications; D016135:Spinal Dysraphism / Q000150:complications*; D014057:Tomography, X-Ray Computed