Abstract
Pulmonary fibrosis (PF) is defined as a gradual, interstitial fibrous disease of the lung parenchyma. PF causes collapse of lung lobe which can lead to lung lobe torsion of another side. A 14-year-old male Pekinese dog was referred to Veterinery Medical Center, Chungbuk National University. The chief complaint was acute dyspnea. The dog had a history of chronic cough which lasted for 18 month and cough was deteriorated recently. Tachypnea was noted on physical examination. As a result of thoracic radiographs, ultrasonography and computed tomography, lung lobe torsion and collapse were diagnosed. A postmortem examination revealed lung lobe torsion of left cranial lobe and carnification of right cranial lobe. Histologically, severe and diffuse interstitial fibrosis with distortion of alveolar architecture and severe congestion and/or hemorrhage were noted in right cranial lobe and left cranial lobe, respectively. Although the cause of pulmonary fibrosis was undetermined, this case showed a typical lung lobe torsion caused by pulmonary fibrosis.
Published Version
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