Comparison Between Computed Tomographic and Surgical Findings in Nine Large‐breed Dogs With Lumbosacral Stenosis

Jones, Jeryl C.; Sorjonen, Donald C.; Simpson, Stephen T.; Coates, Joan R.; Lenz, Stephen D.; Hathcock, John T.; Agee, Michelle W.; Bartels, J. E.

doi:10.1111/j.1740-8261.1996.tb01226.x

Cited by 47 publications

(40 citation statements)

References 34 publications

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“…2,4 To the authors' knowledge, there are only 4 reports in the veterinary literature that describe a diagnosis of vacuum disk phenomenon by radiography and CT of the vertebral column and associate it with degenerative disk disease in dogs. [5][6][7][8] The large gas accumulation in the vertebral column in the dog of our report enabled reliable measurements of radiographic density; these ranged between -900 and -980 Hounsfield units (HU), which was close to that of air (-1000 HU) and confirmed this area was filled with gas. The fact that gas was not evident on initial survey radiographs but was evident on the subsequent CT planning view and CT images is consistent with a previous report and suggests that stretching of the vertebral column may create the negative pressure necessary to attract gas.…”

Section: Vacuum Disk and Facet Phenomenon In A Dog With Cauda Equina supporting

confidence: 54%

Vacuum disk and facet phenomenon in a dog with cauda equina syndrome

Schwarz¹,

Owen²,

Long³

et al. 2000

javma

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A 7-year-old castrated male Rottweiler was evaluated for an 18-month history of bilateral hind limb lameness, signs of pain on rising, and mild ataxia. A gas-filled lumbosacral disk space (vacuum disk phenomenon) was revealed by use of computed tomography. Additional smaller gas bubbles were in the periphery of the disk and between the degenerated L5-L6 dorsal articular facets (vacuum facet phenomenon). Vacuum disk and facet phenomena have been described in humans with degenerative disk and vertebral articular facet joint disease; gas attracted from surrounding tissues accumulates within clefts of the degenerated disk or in unstable facet joints. Vacuum disk phenomenon has been reported in dogs and indicates degenerative disk disease. The phenomenon is more commonly observed by use of computed tomography, compared with conventional radiography, and can be elicited by hyperextension of the vertebral column.

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Section: Vacuum Disk and Facet Phenomenon In A Dog With Cauda Equina supporting

confidence: 54%

Vacuum disk and facet phenomenon in a dog with cauda equina syndrome

Schwarz¹,

Owen²,

Long³

et al. 2000

javma

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“…8,9 Other bacteria that have been isolated include Streptococcus, Escherichia coli, Brucella canis, Pasteurella spp., Proteus spp., Corynebacterium spp., Actinomyces, Nocardia spp., Bacteroides spp., Mycobacterium spp., Pseudomonas aeruginosa, Enterococcus faecalis and Staphylococcus epidermidis. 7,[10][11][12][13][14] A recent case of discospondylitis has been reported as being due to Salmonella spp. 15 Most cases are spread haematogenously to the disc space and subsequently to the adjacent vertebrae, however, discospondylitis could also result from migrating foreign material such as grass awns or iatrogenic trauma.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterisation of the fungusSpiromastix asexualissp. nov. from discospondylitis in aGermanShepherd dog, and review ofSpiromastixwith the proposal of the new orderSpiromastixales (Ascomycota)

Rizzo

Sutton

Wiederhold

et al. 2014

Mycoses

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The genus Spiromastix consists of several fungal species that have been isolated from soil and animal dung in various parts of the world. However, these species are considered to be of low pathogenic potential, as no cases of infections caused by these fungi have been reported. Here, we describe the clinical course of discospondylitis in a dog from which a fungus was cultured from a biopsy and identified as a Spiromastix species by morphologic characteristics and sequencing. Phylogenetic analysis determined this to be a new species, Spiromastix asexualis, which is described, and a new order, Spiromastixales, is proposed.

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“…Recently, MRI as a diagnosic tool has come into wide use in veterinary practice [5,[7][8][9]13]. Because of high resolution of MRI, it is possible to get clear images of cauda equina [2,4]. The purpose of present study was to survey anatomical change of cauda equina lesion in three dogs of different breeds and to evaluate the advantage of MRI in cauda equina syndrome.…”

Section: Dogmentioning

confidence: 99%

The Advantage of Magnetic Resonance Imaging in Diagnosis of Cauda Equina Syndrome in Dogs.

Taga

Taura

Nishimoto

et al. 1998

The Journal of Veterinary Medical Science

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ABSTRACT. Three dogs were evaluated in our study using magnetic resonance imaging (MRI) to reveal the anatomical deformity and the degree of the lesion of cauda equina. In all dogs, MRI revealed soft tissue, such as cauda equina, epidural fat, and intervertebral disc, at the lumbosacral region clearly without contrast medium. Our results suggest that MRI has some advantages in evaluating cauda equina syndrome in dogs. -KEY WORDS: canine, cauda equina syndrome, magnetic resonance imaging (MRI).J. Vet. Med. Sci. 60(12): 1345-1348, 1998 side of the L7-S1 disc space was appeared to encapsulate. The sagittal T2-weighted image (Fig. 1b) showed that the cauda equina at the lesion of L7-S1 was strongly compressed and the L7-S1 intervertebral disc was hypointense. We diagnosed this dog as discospondylitis which caused by B. canis at L7-S1 intervertebral disc space. Dog 2: This dog had a decreased tail tone, weakness of the hind limbs and excreted soft feces. Survey radiographs revealed that the ventral canal height was decreased at the level of L7-S1 lesion and the density of both L7 caudal and S1 cranial end-plates were increased (Fig. 2a). The sagittal T1-weighted image ( Fig. 2b) showed that the loss of epidural fat and the L7-S1 intervertebral disc was hypointense. The cauda equina was compressed and elevated at the level of sacral region. We diagnosed this dog as lumbosacral stenosis at L7-S1 lesion.Dog 3: The clinical sign in this dog was decreased tail tone and weakness of the hind limbs, especially left side. The sagittal T1-weighted image (Fig. 3) showed that L7 vertebral body was destroyed and the L7-S1 intervertebral disc was hypointense and the osteophyte at ventral side of the L7 vertebral body was slightly hypointense. We diagnosed that the cauda equina was compressed by means of the destroyed L7 vertebral body and osteophyte.Hathcock et al. [3] showed that it was difficult to diagnose the cauda equina syndrome, because survey radiography or myelography has not been able to reveal the cauda equina lesion. In epidulography or discography [11], the result was sometimes false as the contrast medium leaked to arachinoid space and after examination, some animals rarely showed back pain. The advantage of MRI was that it was able to show, without the use of contrast medium, the * CORRESPONDENCE TO: TAURA, Y., Department of Veterinary Hospital, Faculty of Agriculture, Yamaguchi University, 1677-1 Ooaza Yoshida, Yamaguchi 753-8515, Japan. Cauda equina syndrome causes compression, displacement, and disorder of nerve roots in lumbosacral region [6,10,12]. Until now several examinations are used to confirm a diagnosis of cauda equina syndrome [1-4, 6, 11]. However, it is difficult to make a definite diagnosis. Recently, MRI as a diagnosic tool has come into wide use in veterinary practice [5,[7][8][9]13]. Because of high resolution of MRI, it is possible to get clear images of cauda equina [2,4]. The purpose of present study was to survey anatomical change of cauda equina lesion in three dogs of different breeds and t...

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Comparison Between Computed Tomographic and Surgical Findings in Nine Large‐breed Dogs With Lumbosacral Stenosis

Cited by 47 publications

References 34 publications

Vacuum disk and facet phenomenon in a dog with cauda equina syndrome

Vacuum disk and facet phenomenon in a dog with cauda equina syndrome

Isolation and characterisation of the fungusSpiromastix asexualissp. nov. from discospondylitis in aGermanShepherd dog, and review ofSpiromastixwith the proposal of the new orderSpiromastixales (Ascomycota)

The Advantage of Magnetic Resonance Imaging in Diagnosis of Cauda Equina Syndrome in Dogs.

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