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Related Experiment Videos

Spuriously elevated platelet counts due to microspherocytosis

A M Akwari, D W Ross, S A Stass

    American Journal of Clinical Pathology
    |February 1, 1982
    PubMed
    Summary

    Microspherocytes, small red blood cells, can cause falsely high platelet counts in automated systems. This finding is crucial for accurate diagnosis in acute burn patients.

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    Area of Science:

    • Hematology
    • Clinical Pathology
    • Medical Laboratory Science

    Background:

    • Automated hematology analyzers are widely used for complete blood counts.
    • Accurate platelet counting is essential for patient diagnosis and management.
    • Acute burn injuries can present complex physiological changes affecting laboratory results.

    Observation:

    • A patient with an acute burn injury exhibited unexpectedly high platelet counts via an automated analyzer.
    • Microscopic examination revealed the presence of numerous microspherocytes.
    • These microspherocytes were similar in size to platelets, leading to potential misidentification.

    Findings:

    • The spuriously elevated platelet count was attributed to the presence of microspherocytes.
    • Microspherocytes, characterized by their small size and dense appearance, were mistaken for platelets by the automated system.
    • This highlights a specific interference issue in automated platelet counting.

    Implications:

    • Microspherocytosis should be considered as a potential cause of falsely elevated platelet counts.
    • This is particularly important in the clinical context of acute burn patients, where such discrepancies can impact treatment decisions.
    • Clinicians and laboratory professionals must be aware of this phenomenon to ensure accurate patient assessment and avoid misdiagnosis.

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