Spirocerca lupi, thorax, dog
Three-year-old crossbred dog that presented with a history of lethargy, vomiting, and weight loss over the previous two months. Lateral and dorsoventral radiographs of the thorax. The caudal esophagus is focally dilated (white arrows) with a uniform soft-tissue opacity. On the ventral aspect of T6, T7, and T8, there is smooth new bone formation that does not bridge between the vertebrae (black arrows), indicative of spondylitis.
Courtesy of Dr. Stephanie Nykamp.
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