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Craniomandibular osteopathy in two Pyrenean mountain dogs
  1. J. Franch, DVM, PhD1,
  2. J. R. Cesari, DVM2 and
  3. J. Font, DVM, PhD3
  1. 1 Department of Veterinary Surgery, Faculty of Veterinary Medicine, Autonomous University of Barcelona, 08193 Bellaterra (Barcelona), Spain
  2. 2 Clinica Veterinaria Diagonal, Avenida Diagonal 16, 08860 Casteildefels (Barcelona), Spain
  3. 3 Clinica Veterinaria Canis, Lluis Pericot 17, 17000 Girona, Spain


Craniomandibular osteopathy was diagnosed in two Pyrenean mountain dogs with a history of mandibular swelling, pain, fever and, in dog 1, lameness. Radiographs demonstrated extensive, active new bone formation on the ventral aspect of the mandibular bodies of both dogs. Dog 2 responded well to treatment but dog 1 was euthanased owing to severe pain, dysphagia and unsuccessful treatment. The mandibles were examined by means of back-scattered scanning electron microscopy and a well arranged mineralised trabecular network of chondroid tissue and woven bone was observed. The mandibular cortical bone under the areas of periosteal proliferation was also affected, showing a looseness of the characteristic compact appearance of lamellar bone. This is the first report of craniomandibular osteopathy in this breed.

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