ACUTE NONCOMPRESSIVE NUCLEUS PULPOSUS EXTRUSION CAUSING PARAPLEGIA IN A SIBERIAN TIGER ( PANTHERA TIGRIS ALTAICA).

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  • Author(s): Senneca C; Garcia G; Rosenberg JF; Heard D; Porter E; Olivera L; Farina L
  • Source:
    Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians [J Zoo Wildl Med] 2018 Mar; Vol. 49 (1), pp. 189-192.
  • Publication Type:
    Case Reports; Journal Article
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: American Association Of Zoo Veterinarians Country of Publication: United States NLM ID: 8915208 Publication Model: Print Cited Medium: Print ISSN: 1042-7260 (Print) Linking ISSN: 10427260 NLM ISO Abbreviation: J Zoo Wildl Med
    • Publication Information:
      Publication: Lawrence Ks : American Association Of Zoo Veterinarians
      Original Publication: Lawrence, Kan. : The Association, [1989-
    • Subject Terms:
      Tigers*; Intervertebral Disc Degeneration/*veterinary ; Nucleus Pulposus/*pathology ; Paraplegia/*veterinary; Animals ; Intervertebral Disc Degeneration/pathology ; Male ; Paraplegia/etiology
    • Abstract:
      A neutered male Siberian tiger ( Panthera tigris altaica) presented with paraplegia of 5 days' duration. Thoracolumbar magnetic resonance imaging (MRI) revealed a focal, linear T2-W hyperintense intramedullary lesion at the level of T10-11 as well as reduced size of the nucleus pulposus of the T10-11 intervertebral disc. The animal was humanely euthanatized as a result of the severity of clinical signs and the poor prognosis. Gross necropsy revealed a dark red, firm focus on the spinal cord at the level of the T11 nerve roots. Histopathology revealed liquefactive necrosis of the ventral spinal cord at the level of T9-11, with hemorrhage and vascular changes within the cord and associated meninges. Fibrovascular tissue with hemorrhage, fibrin, and fragments of cartilage consistent with nucleus pulposus material was identified extradurally at this level. The findings were consistent with acute noncompressive nucleus pulposus extrusion.
    • Contributed Indexing:
      Keywords: Acute noncompressive nucleus pulposus extrusion; Panthera tigris altaica; Siberian tiger; intervertebral disc disease; neurology
    • Publication Date:
      Date Created: 20180309 Date Completed: 20190805 Latest Revision: 20190805
    • Publication Date:
      20240829
    • Accession Number:
      10.1638/2017-0079R1.1
    • Accession Number:
      29517456