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Osteogênese Imperfeita em cão jovem da raça pinscher / Osteogenesis Imperfect in an young pinscher dog

Costa, Paula Priscila Correia; Custódio, Juliana; Ebina, Fernanda Sayuri; Silva, Liliane Lima da; Cunha, Pedro Ernesto da; Vasconcelos, Ruben Horn de; Ribeiro, Wesley Lyeverton Correia; Freitas, Luana Azevedo de.
Acta sci. vet. (Impr.); 46(supl): Pub.331-2018. ilus
Artigo em Português | VETINDEX | ID: biblio-1457998


Background: Osteogenesis imperfecta is a severe genetic disease rarely described in veterinary medicine. This multisystemic condition is caused by a defect in the production and metabolization of collagen, which implicates in bone fragility. This disease has been described in cattle, sheep, domestic felines, mouse and dogs of different breeds, including collie, golden retriever, beagle, dachshund and chow chow. Animals affected by this condition present multiple fractures without previous occurrence of trauma. Therefore, this report aimed to describe a case of osteogenesis imperfecta type III in a miniature pinscher dog.Case: A 1-year-old male miniature pinscher dog, was admitted for clinical evaluation in Fortaleza, Brazil, with a history of spontaneous fractures without known causes. This animal was maintained indoors, fed on dry feed and presented recurrent events of claudication and pain. In the physical examination, the individual walked solely with the forelimbs, avoiding the use of the hind limbs and presented pain behavior. Bulging of the skull was observed laterally, which promoted a triangular appearance of head and face. Fontanelles were soft, and the eyes presented blueish sclera and corneal opacity. Teeth were small, translucid, fragile and deformed. Radiography images revealed bulging of the calvaria and persistent fontanelles with open cranial sutures. In addition, cranial convolutions were less clear, which was compatible with hydrocephalus. Dental roots were narrow, short and presented partial pulp obliteration. The radiographic contrast of the dentin was low with a reduction of periapical radiolucency. Bone radiopacity was low in the bones of the abdomen and pelvis, in addition to femur. Metaphysis of the right tibia was enlarged and angular. Multiple fractures were identified in the pelvis with the formation of opaque bony calluses and bone marrow sclerosis. Physiological parameters and blood test results were unaltered.[...]
Biblioteca responsável: BR68.1