Morphology can suggest a lineage, but it cannot always prove it. Two cells might look identical but behave like total strangers. The Molecular Fingerprint (Flow Cytometry)

It detects "CD markers" (Clusters of Differentiation). CD34: Signals a primitive, immature cell. CD19/CD20: Confirms a B-cell lineage. CD13/CD33: Points toward myeloid involvement. The Synthesis: A Final Diagnosis

As cells pass a laser beam, the machine reads their size (forward scatter) and internal complexity (side scatter).

The microscopic world of hematology is often a battle between what we see and what is actually there. In the diagnosis of neoplastic diseases, the "story" is one of collaboration between traditional morphology and the high-tech precision of flow cytometry. The Visual Clues (Morphology)

Cells are suspended in fluid and tagged with fluorescent antibodies.

Flow Cytometry in Neoplastic Hematology Morphol...
Flow Cytometry in Neoplastic Hematology Morphol...
Flow Cytometry in Neoplastic Hematology Morphol...
Flow Cytometry in Neoplastic Hematology Morphol...
Flow Cytometry in Neoplastic Hematology Morphol...
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