Lumbosacral Stenosis is Common in Large Dogs

Lumbosacral Stenosis is a common cause of pain in older, large breed dogs. In some cases the patient may demonstrate intermittent non-weight bearing lameness in one pelvic limb, if the compression is asymmetric.

Diagnosis is through neurological examination and one or a combination of imaging procedures. It is important to rule out other common causes of pain and difficulty rising.

Differentials include hip dysplasia, cruciate ligament disease, lumbosacral neoplasia, diskospondylitis, thoracolumbar Type II IVDD, and degenerative myelopathy. It is not uncommon for a dog to have more than one of these problems concurrently.

Plain radiographs and advanced imaging such as a myelogram/ epiduragram or MRI are needed to fully evaluate a patient for lumbosacral stenosis. Initially, treatment consists of anti-inflammatory medication and restricted exercise. A dorsal laminectomy and foraminotomy may be required if medical therapy fails.

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