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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

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6 year old Labrador Retriever

March 30, 2017 By Allison Zwingenberger

Today’s case is a 6-year-old Labrador Retriever presented for a two-day history of lethargy and anorexia and respiratory distress. What are your differential diagnoses?

Show findings...

Findings

There is a severe retraction of the right lung lobes from the thoracic wall. Pleural fissure lines are visible in the right and left side of the thorax. There is an increased soft tissue opacity in the right caudal lung lobe. There is irregular mineral opacity associated with the right middle lung lobe visible on the DV projection and the right lateral projection. On the left side the lung lobe margins are mildly rounded. The cardiac silhouette is difficult to identify. Within the viewable abdomen there is decreased serosal detail.

Show differential diagnosis…

Differential Diagnosis

  • Severe pleural effusion on the right side and minimal pleural effusion on the left side.
  • Alveolar pattern R caudal lobe – Ddx thoracic mass effect, potential origin include accessory lung lobe, pleural cavity or caudal mediastinum. Ddx Hemorrhage, neoplasia, abscess, or lung lobe torsion
  • Abdominal effusion (transudate, exudate, hemorrhage).

Show diagnosis…

Diagnosis

  • Hemothorax

The patient was euthanized without necropsy.

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

Comments

  1. jenvet says

    March 30, 2017 at 7:15 am

    On both lateral projections there appears to be a triangle shaped soft tissue opacity in the ventral thorax that resembles the shape of the spleen. Is it possible this could be a diaphragmatic hernia and possibly the dog suffered some kind of trauma (HBC?) without the owner being aware?

  2. Amir Tavakoli says

    April 26, 2017 at 7:50 am

    in Right lateral view I can not see the hepatic silhouette within adbominal cavity and cranial to stomach. It is more suspected to right hepatic diaphragmatic herniation and consequence torsion.

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