LYMPHOSARCOMA IN A HORSE

A sixteen-year old pregnant Dutch Warmblood mare was referred to the F aculty of Veterinary Medicine because of sluggishness since eight days . The main clinical features were depression, pale mucous membranes wi th petechiation, ventral oedema and fever. Haematological evaluation r evealed severe anaemia (haematocrit 0.15 L.L-1) and leukopenia (2.3 G. L-1 with 96% lymphocytes). There was no thrombocytopenia. The horse di ed following a hospitalisation period of six days. At necropsy a (mult icentric) lymphosarcoma was found in the bone marrow with neoplastic i nfiltration of the kidneys.