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4 March 2019 Hematology analysis with holographic imaging cytometry (Conference Presentation)
Oliver Hayden
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Proceedings Volume 10887, Quantitative Phase Imaging V; 108871I (2019) https://doi.org/10.1117/12.2513270
Event: SPIE BiOS, 2019, San Francisco, California, United States
Abstract
Complete blood count and differentiation of leukocytes belong to the most frequently performed laboratory diagnostic tests. Here, a flow cytometry-based method for label-free differentiation of untouched leukocytes by digital holographic microscopy on the rich phase contrast of peripheral leukocyte images, using highly controlled 2D hydrodynamic focusing conditions is reported. Principal component analysis of morphological characteristics of the reconstructed images allows to classify not only nine leukocyte types, but also different types of leukemia and demonstrate disappearance of acute myeloid leukemia cells in remission. To exclude confounding effects, the classification strategy is tested by the analysis of 20 blinded clinical samples. Here, 70% of the specimens are correctly classified with further 20% classifications close to a correct diagnosis. Taken together, the findings indicate a broad clinical applicability of the cytometry method for automated and reagent-free diagnosis of hematological disorders.
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Oliver Hayden "Hematology analysis with holographic imaging cytometry (Conference Presentation)", Proc. SPIE 10887, Quantitative Phase Imaging V, 108871I (4 March 2019); https://doi.org/10.1117/12.2513270
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KEYWORDS
Holography
Hematology
Digital holography
Leukemia
3D image reconstruction
Blood
Diagnostic tests
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