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You see a dog with pelvic limb proprioceptive ataxia and choppy/short-strided thoracic limb gait. What is the most likely diagnosis?

A) Degenerative myelopathy
B) Cerebellar hypoplasia
C) Intervertebral disc disease
D) Wobbler syndrome

Answer :

Final answer:

Given the description of pelvic limb proprioceptive ataxia and a choppy/short-strided thoracic limb gait in a dog, the most likely diagnosis is intervertebral disc disease, which causes spinal cord compression leading to ataxia and other neurological deficits.

Explanation:

Possible Diagnosis for a Dog with Ataxia and Gait Issues

The symptoms described in the question, namely a dog with pelvic limb proprioceptive ataxia and a choppy/short-strided thoracic limb gait, suggest a neurological condition affecting coordination and movement. Ataxia is a movement disorder that can be caused by damage to the cerebellum, spinal cord, or peripheral nerves, leading to a loss of coordination in voluntary movements. It is associated with various possible conditions like cerebellar hypoplasia, degenerative myelopathy, intervertebral disc disease (IVDD), and Wobbler syndrome. Among these options, intervertebral disc disease is a frequent cause of such symptoms and is characterized by compression of the spinal cord and/or nerve roots, leading to pain and neurological deficits including ataxia. Degenerative myelopathy also results in progressive weakness and incoordination, primarily affecting the hind limbs, but is less likely to cause a choppy thoracic limb gait. Therefore, given the symptoms described:

  • Proprioceptive ataxia in the pelvic limbs
  • Choppy/short-strided gait in the thoracic limbs

The most likely diagnosis would be C) Intervertebral disc disease.

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