Chronic lymphocytic leukemia – Diagnosis and treatment …

If chronic lymphocytic leukemia is present, flow cytometry may also help analyze the leukemia cells for characteristics that help predict how aggressive the cells are. Analyze lymphocytes for genetic abnormalities. A test called fluorescence in situ hybridization (FISH) examines the chromosomes inside the abnormal lymphocytes to look for …

https://www.mayoclinic.org/diseases-conditions/chronic-lymphocytic-leukemia/diagnosis-treatment/drc-20352433