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Detection of compressive hydrated nucleus pulposus extrusion in dogs with multislice computed tomography.
Vet J. 2016 Oct; 216:202-6.VJ

Abstract

Compressive hydrated nucleus pulposus extrusion (HNPE) in dogs is defined as acute extradural compression by hydrated nucleus pulposus material at the level of the associated intervertebral disc. Magnetic resonance imaging (MRI) is the imaging modality of choice for diagnosis of HNPE. The aims of this study were to determine the usefulness of unenhanced computed tomography (CT) and contrast enhanced CT (CE-CT), and the sensitivity and specificity of CE-CT, for detection of compressive HNPE. Using CE-CT, HNPE was visualised as a hypodense extradural compressive lesion with rim enhancement immediately dorsal to the intervertebral disc space, with a sensitivity of 91% and a specificity of 100%. CE-CT is a useful technique to detect compressive HNPE in dogs. However, if no clear lesion is identified with CE-CT, or if additional information about intramedullary changes is required, MRI still needs to be performed.

Authors+Show Affiliations

Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium. Electronic address: emilie.royaux@ugent.be.Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium.Department of Veterinary Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium.Department of Veterinary Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium.Laboratory of Pharmaceutical Biotechnology, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, Ghent, Belgium.Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium.Department of Veterinary Medical Imaging and Small Animal Orthopaedics, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, Belgium.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27687953

Citation

Royaux, E, et al. "Detection of Compressive Hydrated Nucleus Pulposus Extrusion in Dogs With Multislice Computed Tomography." Veterinary Journal (London, England : 1997), vol. 216, 2016, pp. 202-6.
Royaux E, Martlé V, Kromhout K, et al. Detection of compressive hydrated nucleus pulposus extrusion in dogs with multislice computed tomography. Vet J. 2016;216:202-6.
Royaux, E., Martlé, V., Kromhout, K., Van der Vekens, E., Broeckx, B. J., Van Ham, L., & Gielen, I. (2016). Detection of compressive hydrated nucleus pulposus extrusion in dogs with multislice computed tomography. Veterinary Journal (London, England : 1997), 216, 202-6. https://doi.org/10.1016/j.tvjl.2016.08.012
Royaux E, et al. Detection of Compressive Hydrated Nucleus Pulposus Extrusion in Dogs With Multislice Computed Tomography. Vet J. 2016;216:202-6. PubMed PMID: 27687953.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Detection of compressive hydrated nucleus pulposus extrusion in dogs with multislice computed tomography. AU - Royaux,E, AU - Martlé,V, AU - Kromhout,K, AU - Van der Vekens,E, AU - Broeckx,B J G, AU - Van Ham,L, AU - Gielen,I, Y1 - 2016/08/30/ PY - 2016/06/21/received PY - 2016/07/19/revised PY - 2016/08/23/accepted PY - 2016/10/1/entrez PY - 2016/10/1/pubmed PY - 2017/6/15/medline KW - Canine KW - Compressive hydrated nucleus pulposus extrusion KW - Contrast enhanced computed tomography KW - Intervertebral disc disease SP - 202 EP - 6 JF - Veterinary journal (London, England : 1997) JO - Vet J VL - 216 N2 - Compressive hydrated nucleus pulposus extrusion (HNPE) in dogs is defined as acute extradural compression by hydrated nucleus pulposus material at the level of the associated intervertebral disc. Magnetic resonance imaging (MRI) is the imaging modality of choice for diagnosis of HNPE. The aims of this study were to determine the usefulness of unenhanced computed tomography (CT) and contrast enhanced CT (CE-CT), and the sensitivity and specificity of CE-CT, for detection of compressive HNPE. Using CE-CT, HNPE was visualised as a hypodense extradural compressive lesion with rim enhancement immediately dorsal to the intervertebral disc space, with a sensitivity of 91% and a specificity of 100%. CE-CT is a useful technique to detect compressive HNPE in dogs. However, if no clear lesion is identified with CE-CT, or if additional information about intramedullary changes is required, MRI still needs to be performed. SN - 1532-2971 UR - https://www.unboundmedicine.com/medline/citation/27687953/Detection_of_compressive_hydrated_nucleus_pulposus_extrusion_in_dogs_with_multislice_computed_tomography_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1090-0233(16)30127-7 DB - PRIME DP - Unbound Medicine ER -