74-year-old, asymptomatic man, who in a routine analysis has | Figure 1

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Rheumatology

74-year-old, asymptomatic man, who in a routine analysis has 37,000 / mL leukocytes, 15.7 g / dL hemoglobin, 190,000 / mL platelets. In the examination no adenopathies or organomegalies are appreciated. There is an extension of peripheral blood (image) in which characteristic features are observed. What is the most likely diagnosis?

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