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

ABSTRACT:

Case summary

A 6-year-old neutered male domestic shorthair cat presented with non-regenerative macrocytic anemia of 2 years' duration and minimally ambulatory paraparesis. Neurologic examination suggested an upper motor neuron paresis or T3-L3 myelopathy. The cat was positive for feline immunodeficiency virus (FIV), neutropenic, had polyclonal gammopathy and was euthanized following a hemolytic crisis. At autopsy, multifocal bilateral dark red masses were observed subpleurally around the costochondral junctions, extradurally and paraspinally in the spinal canal, and paravertebrally, on the lateral and ventral subpleural surfaces of the T4-11 vertebrae. Histologic examination of the masses revealed extramedullary hematopoietic tissue composed primarily of erythroid precursors and me

SUBMITTER: Bolfa P 

PROVIDER: S-EPMC6144522 | biostudies-literature | 2018 Jul-Dec

REPOSITORIES: biostudies-literature