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Oncohematology

Blasts in Peripheral Blood Smear in Leukemia

A clinical case of 78% blasts found in the blood of a 92-year-old patient. Hematology analyzer data, cytopenia, and microscopic smear findings.

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Sysmex analyzer printout: leukocytosis 48.25 thousand/µL and severe thrombocytopenia
Sysmex analyzer printout: leukocytosis 48.25 thousand/µL and severe thrombocytopenia
Blood smear: blast cells with basophilic cytoplasm and visible nucleoli
Blood smear: blast cells with basophilic cytoplasm and visible nucleoli
Blood smear at high magnification: atypical blasts with delicate chromatin structure
Blood smear at high magnification: atypical blasts with delicate chromatin structure

A 92-year-old patient was admitted to the emergency department due to abdominal pain. 78% blasts were found, as shown in the images, along with neutropenia and thrombocytopenia. Bone marrow aspiration was performed for immunophenotyping and karyotyping. Source: inst:hematophoto

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