In cases where clues are minimal – particularly in hematolopoietic or lymphoid neoplasms – you can do flow cytometry to see what markers are on the surface of the cells. This is a test that uses fluorescent antibodies to tag molecules on the surface of cells. The flow cytometer, which is super fancy, has a teeny tube that allows the cells to flow one at a time past a laser beam (check out the diagram below).
View the list of CD markers ead more:
A short list of CD markers
Source: Pathology student
Art and Science of Laboratory Medicine
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