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Veterinary Radiology

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13 year old DSH

April 7, 2016 By Allison Zwingenberger

Today’s case is a 13-year-old male neutered domestic shorthair cat with intermittent chronic cough, presenting in respiratory distress. What are your differential diagnoses?

R LAT Thorax
L LAT Thorax
DV Thorax

Show findings...

Findings

There is marked enlargement of the cardiac silhouette. The cardiac silhouette silhouettes with the diaphragm, and there is a soft tissue opacity with apparent connection between the cardiac silhouette and diaphragm. There are multiple lobular soft tissue opacities and fat opacities superimposed on the cardiac silhouette on the lateral projections. There is a diffuse bronchointerstitial pattern throughout the lungs. The liver is not clearly visualized within the abdomen. The spleen and stomach are located more cranially than expected. There is gas lucency in the soft tissues dorsal to the thoracic spine likely secondary to subcutaneous injection.

Show differential diagnosis…

Differential Diagnosis

The appearance of the cardiac silhouette is most consistent with a pericardial peritoneal diaphragmatic hernia. Ultrasonography could be considered to evaluate the organs displaced into the pericardial space.
The diffuse bronchointerstitial pattern is likely due to chronic lower airway disease. This may have infectious and noninfectious inflammatory components.
Both of these conditions can be contributing to the current clinical signs of dyspnea. Airway sampling is recommended to further evaluate the lower airway disease. Echocardiography could be performed to rule out cardiac disease.

Show diagnosis…

Diagnosis

PPDH and chronic lower airway disease.
The dyspnea improved with medical therapy for the chronic lower airway disease. Surgery to correct the PPDH was discussed however not performed at this time.

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

Comments

  1. Pablo Barge says

    April 7, 2016 at 2:55 pm

    Hello Allison,

    Besides all the findings, it seems to me that there is vascular pattern, enlargment of the arteries and veins but only seen on the dv projection. Also, the spleen seems probably bigger since it is a cat and it is seen in two views. If you agree, would you think this could be due to passive congestion?

    Thank you very much for all your posts!!

    Pablo

    • Allison Zwingenberger says

      April 7, 2016 at 4:42 pm

      Hello Pablo,

      The pulmonary arteries and veins do look a bit big on the dorsoventral projection, however I think we see this frequently in cats and it may not be significant. The echocardiogram that was performed was completely normal. Hope that helps!

  2. Pablo Barge says

    April 7, 2016 at 4:51 pm

    Thank you very much!

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