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Renal Lymphoma
Renal lymphoma is lymphoma that develops in the kidneys. It is one of the most serious forms of feline lymphoma and closely mimics chronic-kidney-disease in its symptoms, making differential diagnosis critical.
Key Facts
- Symptoms overlap heavily with CKD: poor appetite, polydipsia, weight-loss, vomiting
- Key differentiator: kidneys are symmetrically enlarged (CKD kidneys are typically shrunken)
- Diagnosed via needle aspirate of the kidney, usually under ultrasound guidance
- Median survival with chemotherapy: 3-6 months, though longer remissions are possible
- 50% of renal lymphoma cats are feline-leukemia-virus-positive
- 40% risk of tumor spread to the nervous system (brain or spinal cord)
- Species: cats