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Megakaryocyte Differentiation and Platelet Formation from Human Cord Blood-derived CD34+ Cells
Published on: December 27, 2017
Quantitation of megakaryocytes in normal bone marrow
1Department of Pathology, University Medical Center of Southern Nevada, Las Vegas 89102.
Analytical and Quantitative Cytology and Histology
|February 1, 1988
Summary
This study quantifies megakaryocytes in bone marrow biopsies using a direct counting method. Normal bone marrow shows a mean of 1.5 megakaryocytes per high-power field.
Area of Science:
- Hematology
- Histopathology
Background:
- Megakaryocytes are crucial for platelet production.
- Accurate quantitation of megakaryocytes is essential for diagnosing hematological disorders.
Purpose of the Study:
- To establish a baseline quantitation of megakaryocytes in normal bone marrow.
- To validate a simple direct counting method for megakaryocyte assessment.
Main Methods:
- Bone marrow biopsies from normal individuals were analyzed.
- A direct counting method was employed to quantify megakaryocytes.
- Counts were performed per high-power field (450X magnification).
Main Results:
- Normal bone marrow biopsies exhibited a mean cellularity of 72% (range 60-85%).
- The mean number of megakaryocytes per high-power field was 1.5 (range 0.4-2.7).
Conclusions:
- A simple direct counting method provides reliable megakaryocyte quantitation.
- Established normal ranges for megakaryocytes in bone marrow biopsies were determined.

