Malformations of the Vertebral Bodies and the Ribs Associated to Spinal Dysraphism without Spina Bifida in a Pekingese Dog

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    Abstract

    A Pekingese dog with hemivertebrae, rib malformations and spinal cord dysraphism without spina bifida was presented. Two types of hemivertebrae were seen: bilateral and unilateral. Thoracic hemivertebrae were associated with fused ribs and rudimentary ribs. Spinal dysraphism consisted of polycavitary syringomyelia in the dorsal and lateral funiculi, hydromyelia and anomalies of the dorsal median septum and median fissure, associated to lumbar and sacral hemivertebrae. Cauda equina agenesia was also present. To conclude, the dog showed two malformations from different embryonic origins. Vertebral and rib malformations are of mesodermic origin and spinal dysraphism is of ectodermic origin. A possible common mechanism responsible for both anomalies is discussed. © 1995 Blackwell Verlag GmbH
    Original languageEnglish
    Pages (from-to)307-313
    JournalJournal of Veterinary Medicine Series A
    Volume42
    DOIs
    Publication statusPublished - 1 Jan 1995

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