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Legg-Calvé-Perthes Disease in Dogs

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Disintegration of Hip Joint in Dogs

 

Legg-Calvé-Perthes Disease involves spontaneous degeneration of the head on the femur bone, located in the dog's hind leg. This results in disintegration of the hip joint (coxofemoral) and bone and joint inflammation (osteoarthritis).

 

The exact cause of the condition is unknown, though blood supply issues to the femoral head are usually seen in dogs suffering from Legg-Calvé-Perthes Disease. It is commonly seen in miniature, toy, and small-breed dogs, and has a genetic basis in Manchester terriers. Moreover, most dogs affected with Legg-Calvé-Perthes Disease are five to eight months in age.

 

Symptom and Types

 

  • Lameness (gradual onset over two to three months)
  • Carrying of affected limb(s)
  • Pain when moving hip joint
  • Wasting of thigh muscles on affected limb(s)

 

Causes

 

The exact cause for Legg-Calvé-Perthes Disease is unknown, though some researchers suggest it is related to blood supply issues to the head of the femur bone.

 

Diagnosis

 

You will need to give a thorough medical history of your dog’s health, including duration and frequency of symptoms. The veterinarian will then perform a complete physical examination on your dog, particularly the affected limb and hip joint area.

 

Laboratory testing is not usually required to diagnose the disease. Instead, X-rays of the affected area will be taken, which should identify any changes in the femoral bone and joint. In the early stages of the disease, for example, widening of joint space, decreased bone density, and thickening of femoral bone neck are seen. In advanced cases, extreme deformation of femoral head, new bone formation in the affected area, and femoral neck fracture may also be seen.

 

 

 

 

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