Myeloid leukaemia is uncommon. May involve granulocytes or erythroid Primary lesion is in bone marrow, with possible secondaries in liver, spleen and lymph nodes. Generally progressive anaemia, intermittent pyrexia and weight loss. Thrombocytopenia causes petechial haemorrhage, and leucopenia immunosuppression and secondary infections. Diagnosis is by biopsy and haematology. Almost always FeLV positive, but eosinophilic leukaemia is usually FeLV negative.
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