Torção de lobo pulmonar em cão: relato de caso

Abstract

A lung lobe torsion (LLT) consists of the rotation of the lung, or one of its lobes along its axis, with consequent twist of the bronchi and pulmonary vessels in the hilar region. It is considered a rare respiratory disease and is described in few animals including dogs and cats. Any mechanism that increases the mobility of the lungs can predispose a LLT, including pleural effusions. However, the LLT can also be idiopathic, especially in large dogs with deep chest cavity, like the Afghan Hound and Whippet breeds (although it has already been reported in small breed dogs such as Pug and Jack Russell Terrier). This work aims to make a brief literature review of relevant characteristics of the respiratory tract, especially in dogs, and to describe a case report of LLT. A 10-years-old female Whippet was sent for necropsy at the Department of Pathology of the Veterinary School of UFMG where it was diagnosed with a 180º rotation of the right middle lobe. Although considered a rare condition, the TLP must be considered in the differential diagnosis by veterinarians when facing animals with clinical signs of dyspnea.