Leukemoid Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Leukemoid and links to relevant pages within the course.
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|The procedure which may be used to assist in differentiating chronic myelocytic leukemia from leukemoid reaction is:||View Page|
|The cells included in the composite image were found in the peripheral blood smear of a patient with the following results:total WBC of 24.5 x 109/L. Differential count:myelocytes 1 metamyelocytes 4 band neutrophils 15 segmented neutrophils 40 monocytes 8 eosinophils 2 basophils 1 lymphocytes 29This hematologic picture is most consistent with:||View Page|
|Approximately 80 - 90% of the neutrophils on the peripheral blood smear of a young man are similar to those in the image. This peripheral smear most likely represents which condition?||View Page|
|The neutrophils illustrated in this image are representative of those seen in a female patient's peripheral blood smear. The total WBC was 28.5 X 109/L (reference interval = 4.0 - 11.0). Which of the following BEST describes the condition associated with this WBC count and the white blood cells that are present in the image?||View Page|
|Cells that appeared similar to those illustrated in this image were repeatedly encountered as the smear was reviewed. The peripheral white blood cell count was 51.0 X 109/L with an orderly maturation sequence. The comment "leukemoid reaction" may properly be appended to the report.||View Page|
The term "leukemoid reaction" is used to describe a condition where peripheral white blood cells on a stained blood smear may have some resemblance to leukemia cells. Quantatively, in a leukemoid reaction, the neutrophil count may be as high as 50.0 X 109/L with more immature cells, particularly myelocytes, than are usually present in toxic left-shift syndromes. The presence of immature cells in a leukemoid reaction awakens thoughts of leukemia. Great care must be taken to make a distinct differentiation between aberrant white blood cell proliferations (possible leukemia) and a benign but exaggerated granulocytic proliferative response (leukemoid reaction). The leukocyte alkaline phosphatase (LAP) score is low in myelocytic leukemia and high in leukemoid reaction. This particular peripheral smear represents a leukemoid reaction.
|The cytoplasmic inclusion illustrated at the tip of the blue arrow is characteristic of:||View Page|