Spondylosis Deformans (Dogs). Metabolic Bone Disease

Spondylosis Deformans (Dogs)

Spondylosis deformans is a degenerative bone condition that seems to be related to the aging process in some dogs, especially the larger breeds. It is characterized by the development of bony spurs that originate from intervertebral disks and grow to bridge the gap between adjacent vertebrae. These spurs are evident on radiographic X rays. However, in some dogs, pressure and pain originating from these bony growths can cause prominent hind-end weakness and reluctance to move. Unfortunately, there is no cure for spondylosis deformans. Discomfort associated with the condition can be temporarily relieved with anti-inflammatory medication.

Metabolic Bone Disease

Metabolic bone diseases are characterized by a thinning and loss of bony mass, predisposing the bone to fractures and growth deformities. The most common metabolic bone disease seen in dogs and cats is hyperparathyroidism. This condition is characterized by a calcium deficiency within the body that leads to abnormal bone growth and bone resorption as the body tries to correct the low calcium levels in the bloodstream.

Clinical signs:

1. lameness

2. weakness of bones

3. deformation of joints

4. changes

Diagnosis is based on radiographic X-ray findings and on blood calcium measurements. Treatment for nutritionally related bone disease obviously involves changes in the diet and calcium supplementation.

Another type of metabolic bone disease that can affect cats is called hypervitaminosis A. This condition is seen in those cats fed an exclusive diet of liver, which contain high levels of vitamin A.

Clinical signs:

1. skeletal and muscular changes

2. bony uglinesses

3. pain

4. animal immovability

5. alloy of a vertebral column

The diagnosis is made on clinical signs and the radiographic analysis of a backbone and extremities.

Treatment: balanced diet, introduction of anti-inflammatory drugs

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