CD7 Flow Cytometry is a laboratory test that detects and measures CD7, a cell-surface protein commonly expressed on T lymphocytes and natural killer (NK) cells. Using flow cytometry, it helps identify and characterize lymphocyte populations in blood, bone marrow, or tissue samples. The test is needed to support the diagnosis and classification of T-cell leukemias, lymphomas, and other hematological disorders by evaluating abnormal cellular marker patterns.
CD7 may be useful when evaluating suspected T-cell leukemia, T-cell lymphoma, acute lymphoblastic leukemia, or other conditions involving abnormal T-cell or NK-cell populations.
No. CD7 is one marker within a broader immunophenotyping panel. Diagnosis requires correlation with other markers, blood counts, morphology, clinical findings, and sometimes genetic or molecular tests.
CD7-positive means that the evaluated cells express CD7. This can support T-cell or NK-cell identification, although the result must be interpreted with other markers.
CD7-negative means that significant CD7 expression was not detected in the evaluated cell population. Loss or reduced expression can sometimes be significant in abnormal T-cell populations.
Yes. CD7 can help establish or support T-cell lineage and characterize abnormal lymphocyte populations. Additional markers are necessary to determine the specific type of leukemia.
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