Article Figures & Data
Figures
- Figure 1.
The equation for estimating a platelet count is shown.
- Figure 2.
Platelet histogram for case study 1. The dotted line represents a normal histogram. The solid line represents the patient histogram.
- Figure 3.
Platelet histogram for case study 2. The dotted line represents a normal histogram. The solid line represents the patient histogram.
- Figure 4.
Platelet histogram for case study 3. The dotted line represents a normal histogram. The solid line represents the patient histogram.
- Figure 5.
Representative microscopic field for Case 3. (Magnification × 1000)
Tables
1. Interpret the total platelet count relative to the reference interval. 2. Examine the MPV and compare to the reference interval. 3. Examine the PDW and compare to the reference interval. 4. Examine the platelet distribution histogram for evidence of interferences. Take steps to correct these and reassess Steps 1-3 based on the revised results. 5. Examine the IPF and compare to the reference interval. 6. Correlate the numerical parameters with platelet morphology. 7. Correlate platelet results with rbc and wbc parameters and conduct clinical assessment of the patient's values. Assay Patient Reference Interval Platelet count ( × 103/μL) 713 150-450 MPV (fL) 10 8-12 PDW (fL) 13 9-15 Histogram Refer to Figure 2. Refer to Figure 2. IPF (%) 5 0.5-7 Platelet Morphology No abnormalities noted. Normal Assay Patient Reference Interval Platelet count ( × 103/μL) 19 150-450 MPV (fL) 14 8-12 PDW (fL) 16 9-15 Histogram Refer to Figure 3. Refer to Figure 3. IPF (%) 12 0.5-7% Platelet Morphology Few giant platelets noted. Normal Assay Patient Reference Interval Platelet count ( × 103/μL) 116 150-450 MPV (fL) 9 8-12 PDW (fL) 11 9-15 Histogram Refer to Figure 4. Refer to Figure 4. IPF (%) 3 0.5-7% Platelet Morphology Refer to Figure 5. Normal
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