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Is survey radiography sufficient to localize cervical disk protrusion?
Myelography is thought to be mandatory to localize the exact site and extense of disk problems in dogs. But is it always necessary or can an experienced radiologist localize those problems only with survey radiography? This study on 64 dogs answers the question: myelography is still recommended.

Sixty-four dogs with histories and clinical signs consistent with cervical intervertebral disk disease were presented for evaluation.

Survey spinal radiographs were obtained, followed by myelography.

In 61% of the survey radiographs, evaluators identified sites of disk extrusion or protrusion based on radiographic findings. Of those radiographs where a site was identified, ability to accurately identify the correct site of disk extrusion ranged from 53% to 67%, with an average of 58%.

Therefore, the overall accuracy rate for correct identification of the site(s) of disk extrusion for all survey radiographs was 35%.

Twelve cases had more than one site of disk extrusion or protrusion evident myelographically.

In cases where multiple sites of extrusion were confirmed myelographically, the ability to localize at least one of the sites on the corresponding survey radiographs ranged from 63% to 80%, with an average of 70%.

The major site of disk extrusion or protrusion was incorrectly identified in 16% to 31% of the survey radiographs, with an average of 26%.

The use of survey radiographs alone is an inaccurate means for localization of cervical intervertebral disk extrusion or protrusion.

Source: ME Somerville, SM Anderson, PJ Gill, BJ Kantrowitz, and JL Stowater (2001): Accuracy of localization of cervical intervertebral disk extrusion or protrusion using survey radiography in dogs. In: Journal of the American Animal Hospital Association, Vol 37, Issue 6, 563-572



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SMALL ANIMAL PRACTICE

Microbiota of traumatic, open fracture wounds and the mechanism of injury
Open fractures are characterized by disruption of the skin and soft tissue, which allows for microbial contamination and colonization. Preventing infection‐related complications of open fractures and other acute wounds remains an evolving challenge due to an incomplete understanding of how microbial colonization and contamination influence healing and outcomes. Culture‐independent molecular methods are now widely used to study human‐associated microbial communities without introducing culture biases. This recently online published study describes the fascinating association between the mechanism of injury and the microbiota of the wounds.

  • Variability of SDMA in apparently healthy dogsmembers
  • Bioavailability of suppository acetaminophen in dogsmembers
  • Computed tomographic lymphography for lymph node staging in dogs with malignant tumors members
  • Characterization of ocular melanosis-affected canine melanocytesmembers
  • Nasopharyngeal sialoceles in brachycephalic dogsmembers
  • Enterococcus faecium SF68 on serum cobalamin and folate concentrationsmembers
  • Gastrointestinal eosinophilic sclerosing fibroplasia limited to the mesentery in a catmembers
  • Ion acid-base disturbances and associated mortality in dogsmembers
  • First description of ultrasonic bone curette in canine otic surgerymembers
  • Staining hair samples with a modified Wright-Giemsa stain to diagnose feline dermatophytosismembers
  • Oral extended release hydrocodone as analgesia after TPLOmembers
  • 25OH vitamin D3 serum concentration in dogs with acute polyradiculoneuritismembers


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