Thoracic and paraspinal extramedullary hematopoiesis in a cat with chronic non-regenerative anemia.

Thoracic, paraspinal and paravertebral extramedullary hematopoietis presenting as masses has not been described previously in cats with chronic anemia. This is a unique case of a thoracic-spinal-epidural extramedullary hematopoietic masses resulting in possible spinal cord compression and paraparesis in a cat.