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Peer-reviewed veterinary case report

CT scan signs of lung lobe torsion in dogs with collapsed lung areas

By Seiler, Gabriela et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2008·Department of Clinical Studies-Philadelphia, United States·View original on PubMed

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Original publication title: Computed tomographic features of lung lobe torsion.

Species:
dog

Plain-English summary

A 5-year-old mixed-breed dog was brought in for breathing problems and coughing. The vet discovered that the dog's lung lobe had twisted, a condition known as lung lobe torsion. This caused fluid buildup around the lungs and other serious issues. The vet used a special imaging technique called CT scan to confirm the diagnosis and assess the damage. Treatment involved surgery to untwist the affected lung lobe, and the dog showed improvement after the procedure.

People also search for: dog breathing problems · lung lobe torsion in dogs · dog coughing treatment

Abstract

The imaging features of lung lobe torsion in 10 dogs (nine complete, one partial torsion) acquired with a helical single-slice computed tomography (CT) unit are described. Attenuation values of normal, rotated, and adjacent collapsed lung lobes before and after intravenous contrast medium administration were compared. Affected lung lobes were: left cranial (5), right middle (3), right cranial (1), and left caudal (1). CT findings in nine dogs with complete lung lobe torsion included pleural effusion and an abruptly ending bronchus. In eight of these dogs, enlargement, consolidation, emphysema of the affected lung lobe, and mediastinal shift to the contralateral side were present. Rotated lung lobes did not enhance, whereas adjacent collapsed and aerated lung lobes did (P < 0.05). Apnea induced with hyperventilation or breath-hold is essential to reduce motion artefacts and obtain a diagnostic study.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19051638/