Pectus carinatum in a dog / Pectus carinatum em um cão

ABSTRACT

Background: The deformities of the anterior chest wall are universally designated as pectus deformities. Two types of deformities are known, pectus excavatum and pectus carinatum. Pectus excavatum is a dorsal ventral narrowing of the chest, also known as funnel chest, while pectus carinatum is a ventral protrusion of the sternum, also known as pigeon breast. Both are diseases seen in children and adolescents, however, they are considered rare in small animals, especially pectus carinatum. Thus, the aim of this study is to report a case of pectus carinatum in a Shih-tzu puppy dog. Case A male canine Shih-tzu, 2 months-old, was present at the veterinary hospital. The owner reported that in the first days of life, the animal felt difficulty breathing when she took him in her lap, and still noticed abnormal increase of the thoracic region. The patient was from a litter of eight pups, without consanguinity, and the parents showed no congenital abnormality. During the interview, it was reported that the patient was eating and drinking water normally, and presented an active temperament. Moreover, he had one dose of vaccine and a dose of anthelminthic. On clinical examination, all physiological parameters were normal. However, during palpation, it was observed swelling in the ventral thoracic region. For that, we suspected pectus carinatum. Chest radiograph was ...