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Compressive myelopathy due to intervertebral disk extrusion in a llama (Lama glama).
J Vet Diagn Invest. 2006 Jan; 18(1):126-9.JV

Abstract

A 12-year-old intact female llama was euthanized following acute onset of spastic tetraparesis and recumbency with inability to rise. Postmortem examination revealed caudal cervical spinal cord compression due to a mass within the ventral spinal canal arising from the C6-C7 intervertebral disk space and attached to an irregularly thickened annulus fibrosis. On histopathologic examination, the mass was composed of amorphous acellular basophilic to amphophilic material admixed with irregularly arranged collagen bundles. The amorphous material was metachromatic and contained multiple small foci of markedly vacuolated round cells, characteristic of origin from the nucleus pulposus. Severe necrosis of all white matter tracts with astrocytic reaction was present in the overlying spinal cord segment. Ascending and descending Wallerian degeneration and dissecting interstitial astrogliosis were present within white matter tracts above and below the lesion, respectively. The diagnosis was compressive myelopathy due to chronic extrusion of the nucleus pulposus of the C6-C7 intervertebral disk. To the authors' knowledge, this is the first report of intervertebral disk disease in a camelid.

Authors+Show Affiliations

Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis 97331, USA.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

16566272

Citation

Valentine, Beth A., et al. "Compressive Myelopathy Due to Intervertebral Disk Extrusion in a Llama (Lama Glama)." Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc, vol. 18, no. 1, 2006, pp. 126-9.
Valentine BA, Saulez MN, Cebra CK, et al. Compressive myelopathy due to intervertebral disk extrusion in a llama (Lama glama). J Vet Diagn Invest. 2006;18(1):126-9.
Valentine, B. A., Saulez, M. N., Cebra, C. K., & Fischer, K. A. (2006). Compressive myelopathy due to intervertebral disk extrusion in a llama (Lama glama). Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc, 18(1), 126-9.
Valentine BA, et al. Compressive Myelopathy Due to Intervertebral Disk Extrusion in a Llama (Lama Glama). J Vet Diagn Invest. 2006;18(1):126-9. PubMed PMID: 16566272.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Compressive myelopathy due to intervertebral disk extrusion in a llama (Lama glama). AU - Valentine,Beth A, AU - Saulez,Montague N, AU - Cebra,Christopher K, AU - Fischer,Kay A, PY - 2006/3/29/pubmed PY - 2007/5/1/medline PY - 2006/3/29/entrez SP - 126 EP - 9 JF - Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc JO - J. Vet. Diagn. Invest. VL - 18 IS - 1 N2 - A 12-year-old intact female llama was euthanized following acute onset of spastic tetraparesis and recumbency with inability to rise. Postmortem examination revealed caudal cervical spinal cord compression due to a mass within the ventral spinal canal arising from the C6-C7 intervertebral disk space and attached to an irregularly thickened annulus fibrosis. On histopathologic examination, the mass was composed of amorphous acellular basophilic to amphophilic material admixed with irregularly arranged collagen bundles. The amorphous material was metachromatic and contained multiple small foci of markedly vacuolated round cells, characteristic of origin from the nucleus pulposus. Severe necrosis of all white matter tracts with astrocytic reaction was present in the overlying spinal cord segment. Ascending and descending Wallerian degeneration and dissecting interstitial astrogliosis were present within white matter tracts above and below the lesion, respectively. The diagnosis was compressive myelopathy due to chronic extrusion of the nucleus pulposus of the C6-C7 intervertebral disk. To the authors' knowledge, this is the first report of intervertebral disk disease in a camelid. SN - 1040-6387 UR - https://www.unboundmedicine.com/medline/citation/16566272/Compressive_myelopathy_due_to_intervertebral_disk_extrusion_in_a_llama__Lama_glama__ L2 - http://journals.sagepub.com/doi/full/10.1177/104063870601800122?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -