Comparison of the performance of two automatic cell morphology analyzers for peripheral‐blood leukocyte morphology analysis: Mindray MC ‐100i and Sysmex DI ‐60
International Journal of Laboratory Hematology(2023)
摘要
Abstract Introduction To compare the morphological classification ability of peripheral‐blood leukocytes of the automatic cell morphology analyzers MC‐100i and DI‐60. Methods (1) MC‐100i and DI‐60 were used to analyze leukocytes in 432 venous blood samples collected from three tertiary hospitals across China. The preclassification results were compared with the results reported by senior morphological experts (postclassification results) to evaluate the accuracy, sensitivity, specificity, and consistency of leukocyte preclassification for both instruments. (2) In 200 of the 432 blood samples, morphological experts conducted manual microscopic examination for various types of leukocytes. The correlation between the MC‐100i and DI‐60 leukocyte postclassification results and the expert microscopist results were analyzed. Results (1) MC‐100i preclassified leukocytes and nucleated red blood cells (RBCs). Compared with the postclassification results, the total leukocyte preclassification accuracy of MC‐100i was 97.16%, while that of DI‐60 was 87.24%. The sensitivity of MC‐100i to abnormal cells (including blasts, promyelocytes, neutrophilic myelocytes, neutrophilic metamyelocytes, reactive lymphocytes, abnormal promyelocytes, plasma cells, abnormal lymphocytes and nucleated RBCs) was 90.24%, which was significantly higher than the 50.72% sensitivity of DI‐60. (2) Comparing the postclassification results with manual microscopy, except for reactive lymphocytes and basophils, the MC‐100i and DI‐60 results had good correlations with various leukocyte types and nucleated RBCs ( r > 0.85), and MC‐100i was better than DI‐60 in the recognition of basophils. Conclusion Both MC‐100i and DI‐60 have good detection ability for five normal types of leukocytes in peripheral blood. MC‐100i has significantly better detection sensitivity for abnormal cells in peripheral blood than DI‐60.
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关键词
leukocyte morphology analysis,automatic cell morphology analyzers,peripheral‐blood peripheral‐blood
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