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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

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2.5 year old Great Pyrenees

April 12, 2018 By Allison Zwingenberger Leave a Comment

Today’s case is a 2.5-year-old male neutered Great Pyrenees dog presenting for a 7-month history of cough, decreased appetite, weight loss, and a 5-month history of increased respiratory rate and sound.

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Show findings...

Findings

There is alveolar pulmonary pattern and complete consolidation of the accessory lung lobe, which extends to the right caudal lung lobe. There are additional nodules in the cranial and caudal lung lobes, one of which is visible ventral to the 6th thoracic vertebra. The aerated lung lobes appear hyperinflated, giving the appearance of lifting the cardiac silhouette from the sternum. The cardiac silhouette and pulmonary vasculature are normal. There are multiple thickened pleural fissure lines but no overt effusion is noted.

Show differential diagnosis…

Differential Diagnosis

DIfferential diagnoses for the lobar pattern in the accessory lobe and pulmonary nodules include infectious inflammatory disease (fungal pneumonia, migrating foreign body), and less likely neoplasia in a young dog. CT examination could be considered to further evaluate this region.

Show diagnosis…

Diagnosis

Coccidiodomycosis – positive on serology

Filed Under: Canine, Case of the Day, Radiographs, Thorax

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Recent Comments

  • jenvet: Thank you!
  • jenvet: is there also mild pleural effusion?
  • Allison Zwingenberger: Yes, the end result of both conditions is strangulation of the blood supply to the small...
  • jenvet: My first thought was that this looked a little like a mesenteric volvulus “cinnamon bun” on the...
  • galopdeglace: Hey, I don’t understand why a significant increase in fat opacity within the cranioventral thorax...

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