During the preparation of the blood smear, cells may be broken or crushed. One such cell is shown in the center of this slide. Cells that are broken and without cytoplasm cannot be identified and are left out of the differential count. A cell must be whole and not disintegrated to be counted. The broken cells are called crush cells, basket cells, or smudge cells. If many are present, they are noted as such. Basket cells are especially prevalent in slides made from the blood of patients with lymphocytic leukemia.
Course Section: 03. Blood Smears Stained with Wright's Stain
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