Counting and differential of bone marrow cells by an electronic method

Area of Science:

• Hematology
• Clinical Pathology
• Biomedical Engineering

Background:

• Accurate enumeration and characterization of nucleated cells in bone marrow aspirates are crucial for diagnosing various hematological disorders.
• Traditional manual methods for cell counting and differential analysis are labor-intensive and prone to inter-observer variability.

Purpose of the Study:

• To evaluate the performance of a fully automatic blood cell counter for analyzing nucleated cells in bone marrow aspirate.
• To compare the results obtained from the automated method with those from the traditional manual method.

Main Methods:

• Nucleated cell counts and size distribution curves were generated using a fully automatic blood cell counter.
• Results were compared against traditional manual cell counting and differential analysis on Giemsa-stained bone marrow smears.

Main Results:

• The automated cell counter demonstrated good correlation with manual cell counts for concentrations up to 100 x 10(9)/L.
• The size distribution curves generated by the automated method showed two distinct peaks.
• The electronically determined small cell fraction correlated well with manually identified lymphocyte and erythroblast fractions.

Conclusions:

• The fully automatic blood cell counter provides reproducible and reliable results for nucleated cell analysis in bone marrow aspirates.
• The automated method is suitable for routine clinical laboratory testing, offering potential for improved efficiency and accuracy.