FIELD: medicine.
SUBSTANCE: for production of cytologic preparations of metaphase chromosomes, 1-2 ml of a suspension of fixed cells derived from the bone marrow or peripheral blood of the patient is applied to a horizontally held slide with a film of 55% aqueous acetic acid solution during hemopoietic cells karyotypes analysis. As a result, the content of metaphase plates with adequate chromosome spreads in cytological preparations is increased by at least 3 times.
EFFECT: invention provides fast and accurate analysis of metaphase chromosomes karyotype.
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