What is the role of flow cytometry in the workup of severe combined immunodeficiency (SCID)?

Updated: Apr 28, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Harumi Jyonouchi, MD  more...
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Advanced assays of lymphocytes, if present, include measurements of the proliferative response of B cells and T cells to mitogens and lymphocyte subset analysis with flow cytometry. Analysis of specific genes associated with immunodeficiency may be helpful.

Once lymphocyte populations are enumerated by flow cytometry, mutational analysis usually can be initiated based on the distribution of cell surface markers and clinical findings, including the sex of the infant.

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