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Dr Johnson is board-certified in anatomic and clinical pathology. She received her medical degree from the University of North Carolina at Chapel Hill, and she completed her residency training in anatomic and clinical pathology at University of North Carolina Hospitals in Chapel Hill. She is a member of the American Society of Clinical Pathologists, the College of American Pathologists, the International Society for Analytic Cytometry, and the Clinical Cytometry Society. Dr Johnson has served as director of the flow cytometry laboratory at LabCorp’s Center for Molecular Biology and Pathology Cytometry since 1991. She has more than 13 years of experience interpreting immunophenotypic analysis of leukemias and lymphomas by flow cytometry and DNA ploidy analysis by flow cytometry and image analysis. | 