Myositis Ossificans

Common info

Myositis ossificans in dogs is a result of the bone tissue replacement process Caused by the development of the shape of connective tissue cells. Mostly occur in horses and dogs, affecting the thigh muscles, biceps muscle area (Muscles of the upper arm). The most common cause is from heavy physical activity or muscles infection.


The first time that found Myositis ossificans in dogs caused by genetic diseases. Commonly called myositis ossificans, caused by coagulation of calcium until become solid, causing injury in the muscles, often occurs in the arms or thighs, sometimes caused by injuries from many factors. In addition, Myositis ossificans is claimed that the bone may be regenerated after the injury.


Myositis ossificans in dogs can be caused by many factors such as heredity, heavy exercise or doing activities that require a lot of strength, and muscle injection.


  • Inflamed muscles
  • Fever
  • Swelling
  • Lumps in the muscles
  • Fatigue in the walk, Don't want to move.
  • Pain
  • Feel warm or hot when touching the injured area.

The symptoms are fever, may feel like there’s a lump occur in the muscles which caused by swelling, the affected areas may be warm or hot when touching, affecting the front legs and hind legs, they may refuse to walk or do any activities due to the pain.

Treatment and Prevention

It can be treated Myositis Ossificans with anti-inflammatory drugs and control the exercise or the movement. In some cases, surgery may be required and should avoid exercising or stretching to reduce pain.

  1. Wikipedia | Myositis ossificans
  2. Vetstream | Myositis ossificans
  3. NCBI | Kinematic characteristics of myositis ossificans of the semimembranosus muscle in a dog
  4. Vet KU | (Cellular degeneration and necrosis) Introduction
  5. Elizabeth A. Dillon. 1988. Traumatic myositis ossificans in a dog, New Zealand Veterinary Journal, 36:3, 152-153.
  6. José M. Vilar et al . 2010. Kinematic characteristics of myositis ossificans of the semimembranosus muscle in a dog . Canadian Veterinary Journal . 51:289–292.
  7. Morton, Hettlich, and Pool. 2015. Surgical Treatment of Traumatic Myositis Ossificans of the Extensor Carpi Radialis Muscle in a Dog. The American College of Veterinary Surgeons. 44 (2015) 576–580.
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