Case 17 — Thoracic Radiographs

Lateral

Lateral thoracic radiograph showing an enlarged cardiac silhouette.
Lateral thoracic radiograph.

DV

DV thoracic radiograph showing an enlarged cardiac silhouette with a characteristic bulge on the proximal descending aorta (ductal aneurysm or ductus bump), pathognomonic for patent ductus arteriosus.
DV thoracic radiograph.

Quiz

1. There is one abnormality that is pathognomonic for this dog’s abnormality on this radiographic view. What is it?

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