Imaging-2018-09-04

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5 replies
  1. Michael Beggs
    Michael Beggs says:

    C2-3 and C3-4 focal ventral cord compression- possible Type 1 disc disease
    Possible cavitary lesions within cord – Chiari Like malformation possibly

    Reply
  2. neuropetvet
    neuropetvet says:

    Good job everybody. The MRI shows changes in the C5-6 disc and adjacent endplates/vertebral bodies consistent with discospondylitis. This is most often due to bacterial infection with Staphylococcus spp., Streptococcus spp., and E. coli being most common, but many bacteria have been reported. Fungal infection (especially Aspergillus here in the USA) is occasionally identified. The other differential to consider is Brucella. This is a sexually-transmitted bacterial infection that is zoonotic to humans. While much more common in sexually intact dogs, in my opinion, a Brucella test should be performed for ALL dogs with discospondylitis given the zoonotic potential. This patient, a spayed female dog, tested positive for Brucella canis on both rapid slide agglutination test (RSAT) and agar gel immunodiffusion (AGID). Unfortunately, the owners elected to have her euthanized because they a young couple that were hoping to have children soon and didn’t want to take a risk. Also, the dog was very social and the owners found it cruel to isolate her from other dogs for the rest of her life.

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