HYPERTROPHIC OSTEOPATHY ASSOCIATED WITH MYCOBACTERIUM-FORTUITUM PNEUMONIA IN A DOG

Mycobacterium fortuitum was isolated from the lung of a dog that had n ew periosteal bone formation consistent with hypertrophic osteopathy. Fever, weight loss, and bilateral hind limb lameness were the initial clinical signs. The tarsi were swollen and a pain response was elicite d on palpation of the hind limb. Radiography revealed periosteal new b one formation on the metatarsi, femurs, and ischii. Thoracic radiograp hy revealed pulmonary mass lesions in the right middle and left caudal lung lobes. After right middle and left caudal lung lobectomy, M fort uitum was isolated from the excised tissues. Amoxicillin trihydrate/cl avulanic acid and amikacin were administered, on the basis of suscepti bility test results.