11-year-old spayed female Shetland Sheepdog
2016 Image Interpretation Session - Case 3
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- Polyuria and polydipsia of 2-month duration; lethargy; elevated alkaline phosphatase, ALT, AST and cholesterol.
- Stippled mineralized mass arising from the right 12th rib.
- Loss of serosal detail with mass effect in the right cranial and mid to dorsal abdomen.
- Rib mass was aspirated.
- A large heterogeneous, poorly vascularized mass in the right cranial abdomen, abutting the liver (right adrenal and pancreas not identified).
- A CT showed an aggressive right 12th rib mass and complex right adrenal mass.
- Rib resection, diaphragmatic advancement and abdominal mass removal were performed.
- Histopathology revealed a chondrosarcoma of the right 12th rib and a right adrenal cortical carcinoma.