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A second goal of scanning is to check that leukocytes are uniformly distributed
throughout the smear and not excessively concentrated at the feather edge.
In some ill-made smears, most of the leukocytes are dragged to the end
of the smear. If this is found to be the case, prepare another smear and
move the spreader slide more quickly, which should ensure that white cells
are adequately distributed. |
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Low magnification (100x) view of the feathered edge. Such poor
distribution of leukocytes adversely affects the accuracy of the differential
count.
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