A 60-year-old man was found to have leukocytosis and thrombocytopenia during a routine physical examination. He also noticed a new bruise on his trunk and blood-tinged secretion when he blew his nose in the past few weeks.


Polycythemia Vera Essential Thrombocythemia JAK2 V617F Splenic Infarction Myeloproliferative Neoplasm 
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