Association of preoperative magnetic resonance imaging findings with surgical features in Dachshunds with thoracolumbar intervertebral disk extrusion

Naudé, Susan; Lambrechts, Nicolaas E.; Wagner, Wencke M.; Thompson, Peter N.

doi:10.2460/javma.232.5.702

Cited by 35 publications

(37 citation statements)

References 23 publications

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“…However, the accuracy of MRI for determination of a diagnosis of an extruded intervertebral disk is 100%. 24,25 Differential diagnoses for the dog included an inflammatory granuloma, hemorrhage, or an extradural lesion of neoplastic origin. These diagnoses were considered unlikely because of the MRI signal characteristics of the lesion in the initial and follow-up images.…”

Section: Discussionmentioning

confidence: 99%

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Steffen

Kircher

Dennler

2014

javma

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Section: Discussionmentioning

confidence: 99%

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Steffen

Kircher

Dennler

2014

javma

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“…4A). Lesions impinging on the subarachnoid space are readily detected; for example, T2W scans provide more accurate information about the severity and extent of extruded disc material than T1W or STIR images 9 . Differentiating extradural and extramedullary–intradural lesions may be difficult, although acquisition of T2W images in both dorsal and sagittal planes may show widening of the subarachnoid space with the latter.…”

Section: Pulse Sequencesmentioning

confidence: 99%

Optimal Magnetic Resonance Imaging of the Spine

Dennis

2011

Vet Radiology Ultrasound

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Magnetic resonance (MR) imaging is generally considered to be the best imaging modality for the spine because of its excellent tissue contrast and multiplanar imaging capability; however, good technique is vital in order to avoid nondiagnostic or even misleading images. The possibility of imaging in multiple planes and using many different pulse sequences means that judgment is required in order to gain maximum diagnostic information within a reasonable scanning time. Spinal MR imaging technique for small animals is reviewed with emphasis on technical aspects including patient positioning, selection of pulse sequences, and image planes.

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“…Neste estudo os segmentos de coluna acometidos por discopatia foram, em geral, no terço final da coluna cervical e torácica, a lombar e o segmento inicial da sacral. Cães Dachshund com sinais clínicos de doença no disco intervertebral apresentaram alterações no segmento T12-13 sendo este o mais acometido 6/16 cães (37,5 %) (Naudé et al 2008). Em nossos estudos foram verificados 2/6 cães (33,3 %) para o mesmo segmento de coluna, nesta raça.…”

Section: Resultsunclassified

Diagnóstico de alterações neurológicas compressivas da medula espinal de cães com o uso da Tomografia Computadorizada (TC) Helicoidal

et al. 2014

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Pesq. Vet. Bras. 34(6):569-575, junho 2014 569 RESUMO.-Alterações neurológicas em cães são comuns na rotina da clínica médica, sendo necessário identificar o sítio de lesão quando da ocorrência de neuropatias por compressão em estruturas do Sistema Nervoso Central (SNC). O objetivo deste trabalho foi realizar um estudo epidemiológico das alterações neurológicas compressivas em medula espinal de cães domiciliados em Salvador e região metropolitana: Discopatias, Neoplasias e Traumas identificadas através da Tomografia Computadorizada (TC). Foram avaliados 17 cães de diversas raças com idade entre 2 e 10 anos e de ambos os sexos, atendidos na rotina de dois serviços médicos-veterinários e encaminhados para realização do exame conforme indicação clínica. Imagens em cortes com espessura variando de 0,5 a 2mm em rotação foram produzidas com o Tomógrafo. Dos animais que apresentaram discopatia 12/17 (70,58%), por mielopatia extradural 6/12 (50 %), foram da raça Dachshund com idade média 7,33±1,97 anos e para todos os outros a ocorrência foi pontual; 23,53 % de osteopatias vertebrais, neoplasias ósseas e fraturas, e 5,89% correspondente a neoplasia de medula. Neurological disorders in dogs are common in veterinary medical practice routine, being necessary to identify the site of injury in the event of compression on structures of the central nervous system (CNS). The aim of this work was an epidemiological study of neurological changes in compressive spinal cord of pet dogs in Salvador and the metropolitan area. Discopathies, neoplasms and trauma were identified by Computed Tomography (CT). We evaluated 17 dogs of various breeds, aged between 2 and 10 years old and of both sexes, from two veterinary medical routine services and forwarded to the examination as clinically indicated. Slice images with a thickness ranging from 0.5 to 2mm were produced in rotation with the tomograph. Animals that showed disc disease (70.58%) for extradural myelopathy 6/12 (50%) were the breed Dachshund, mean age 7.33±1.97 years and for all other occurrence was timely; 23.53% of vertebral bone disease, bone tumors and fractures, and 5.89% corresponding to neoplasm marrow. There was a higher incidence of injuries segments L2-L3 (25%), followed by C4-C6 (16.67%), T12-T13 (16.67%), L7-S1 (16.67%) of cases. Diagnóstico de alterações neurológicas compressivas da medulaINDEX TERMS: Diagnostic imaging, canine, central nervous system, intervertebral disc disease, spinal cord neoplasm, bone fracture.

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Association of preoperative magnetic resonance imaging findings with surgical features in Dachshunds with thoracolumbar intervertebral disk extrusion

Cited by 35 publications

References 23 publications

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Optimal Magnetic Resonance Imaging of the Spine

Diagnóstico de alterações neurológicas compressivas da medula espinal de cães com o uso da Tomografia Computadorizada (TC) Helicoidal

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