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Left cranial lung lobe torsion in a Pug

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Abstract

Lung lobe torsion is a rare, life threatening condition that has been reported in dogs, cats, and humans. It involves the torsion of the lung lobe along its long axis, resulting in occlusion of the bronchovascular pedicel at the hilus. Historically large, deep-chested dogs appear to be overrepresented with few reports of torsion in smaller breeds. However, over the past two decades there has been an increasing incidence of spontaneous torsion of lung lobes in small breeds -- predominantly the Pug (Rooney et al., 2001; Spranklin et al., 2003; Murphy et al. 2006). Historical features of the disease include coughing, progressive dyspnea, lethargy, and anorexia. In some cases vomiting or diarrhea may be reported. Abnormalities found on physical examination are often respiratory signs such as dyspnea, coughing, and dull heart and lung sounds on ausculation. Diagnostic imaging such as thoracic radiographs and ultrasound reveal the presence of pleural effusion and consolidation of the affected lung lobe. Treatment involves surgical resection of the affected lung lobe as reduction of the torsion, and attempts to save the lobe are not recommended.

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Senior seminar paper
Seminar SF610.1 2008 M43

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2008-05-07

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Dogs -- Diseases -- Case studies

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term paper

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