Presentation
Presents with decreased appetite and hypercalcemia.
Patient Data
Age: 5
Gender: Spayed female
Category: Domestic dog
Organism: Australian Kelpie
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The cardiovascular structures are normal in size and shape. No abnormalities are seen within the pulmonary parenchyma. The mediastinum is widened on the v/d projection, and is wider than the vertebral column. On the lateral projection, there is a mass visible in the cranial mediastinum with mild dorsal displacement of the trachea. The pleural space and musculoskeletal structures are normal.
Case Discussion
Mediastinal T-cell lymphoma was diagnosed from fine needle aspirates of the mass.
Differential diagnosis:
- Lymphoma
- Thymoma
- Cyst
- Ectopic thyroid tissue


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