The process of analyzing cells in a sample of tissue, blood, bone marrow, or amniotic fluid to look for changes in chromosomes, including broken, missing, rearranged, or extra chromosomes. Changes in certain chromosomes may be a sign of a genetic disease or condition or some types of cancer. Cytogenetic analysis may be used to help diagnose disease, plan treatment, or find out how well treatment is working.
( SY-toh-jeh-NEH-tik uh-NA-lih-sis )
Source: NCI Dictionary of Cancer Terms
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