Traumatic myositis ossificans in a dog

Authors: Dillon EA
Publication: New Zealand Veterinary Journal, Volume 36, Issue 3, pp 152-153, Sep 1988
Publisher: Taylor and Francis

Animal type: Companion animal, Dog
Subject Terms: Alimentary system/gastroenterology, Skeletal/bone/cartilage, Diagnostic procedures, Oral/teeth, Imaging
Article class: Correspondence

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Abstract: A five month old German Shepherd bitch was treated by a veterinarian for a penetrating dog bite wound beneath the right zygomatic arch. The wound healed without complication. Four months later the owners noticed that the bitch was unable to pick up a tennis ball with her teeth, and presented the dog for evaluation. Examination revealed the animal to be bright and alert, but the jaw could not be opened wider than 3 centimetres (cm), even when anaesthetised. There was bilateral temporal and masseter muscle atrophy. A ventrodorsal radiograph of the skull revealed a radiodense, periosteal proliferation extending medially from the inner border of the right zygomatic arch. Flumethasone and amoxicillin were administered, however when the condition worsened the animal was referred to the Massey University Small Animal Clinic for further investigation. When examined at the Massey University Small Animal Clinic the bitch was bright and alert, in light body condition…

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