A protrusion into the spinal canal is most commonly referred to as a bulging disk but might be officially diagnosed as Hansen Type II or herniation. In a bulging disk, the annulus fibrosus has not been ruptured.
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Causes
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A bulging disk is a form of degenerative intervertebral disk disease. The bulging and related symptoms usually build up over time and eventually worsen because of the pressure on the spinal cord.
Symptoms
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A bulging disk causes irritation, pain and swelling around the spinal cord, which might cause your dog to limp or loose strength in the limbs. Most often, just the back limbs show symptoms. You might notice your dog finding it hard to jump on the couch or walking up stairs. In severe cases, paralysis might set in.
Diagnosis
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An initial diagnosis by a veterinarian might be done by examining a dog's gait and posture, feeling the spinal column and taking X-rays. Definite diagnosis can only be made through CT or MRI scans.
Treatment
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If the disk is not ruptured, surgery is not the first option for treatment. Strict confinement and anti-inflammatory medicines offer successful treatment options. Chiropractic adjustments, acupuncture and physical therapy might also help relieve the pressure caused by the bulging disk while treating it.
Considerations
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The longer a bulging disk is left untreated, the less likely your dog will make a full recovery. If your dog is showing lameness or signs of pain, you should consult with a vet immediately.
Surgery
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If your dog does not appear to be recovering with conservative treatment, you should speak with a neurologist about the possibility of surgery. In many cases, surgery might restore your dog's ability to walk. Because bulging disks tend to reoccur, many vets will lean toward continuing medication, which is why you should visit a specialist.
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