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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

  • Modality
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8 year old Springer Spaniel

September 3, 2020 By Allison Zwingenberger

This dog presented with enlarged mandibular lymph nodes. What are your findings?

R LAT Thorax
L LAT Thorax
DV Thorax
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Findings

There is a a round, soft tissue opacity nodule in the cranioventral lungs, seen equally well on both lateral projections, and not seen on the ventrodorsal projection. A second nodule is visible partly superimposed on the T7 vertebral body on the right lateral projection. The microchip is superimposed on the thorax. The cardiovascular structures are normal. No abnormalities are noted in the pleural space or mediastinum. The musculoskeletal structures and portion of the abdomen included are normal.
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Differential Diagnosis

  • Multiple pulmonary nodules are consistent with metastatic disease, or less likely granulomatous disease.
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Diagnosis

Pulmonary metastatic disease. The mandibular lymph nodes were biopsied and diagnosed with metastatic adenocarcinoma. The primary tumor was suspected to be nasal, but diagnostics were not pursued.

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

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