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Leukocyte Alkaline Phosphatase Stain (LAP)

Optimizing Laboratory Testing for Hematologic
Disorders Series

Low LAP Scores* Do Not Indicate Myeloid Malignancy: A Mayo 1-Year Experience

Slide 14

September 2010

In addition, a low LAP score did not always indicate a myeloid malignancy. As you can see, there were a variety of non-myeloid malignancies and non-malignant conditions that were associated with a low LAP score, again pointing out the lack of diagnostic specificity of a low LAP score.

Myeloid Malignancy


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