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- Title
Marked Underestimation of Platelet Count and a Characteristic Platelet Histogram as Clues to MYH9-Related Disorders.
- Authors
Liping Wang; Julue Huang; Xiaoyu Li
- Abstract
Background: The rapid development of automatic blood cell analyzers has greatly optimized complete blood count results. However, erroneous results relevant to automatic blood cell analyzers still exist. Pseudothrombocytopenia can be observed in both cases of anticoagulant-induced platelet aggregation, and the presence of large and giant platelets. Methods: A rare case of a MYH9-related disorder, in which marked underestimation of platelet count was led by large and giant platelets using the impedance count by an automated hematology analyzer. Moreover, lancetshaped and Dohle body-like cytoplasmic inclusions were detected in almost all white blood cells of the patient. Results: The platelet count was done by an optical platelet counter or a fluorescence platelet counter, and peripheral blood smear was evaluated. In addition, the diagnosis of MYH9-related disorder was established by the molecular findings. Conclusions: Identification of the peripheral blood smear and familial history will eliminate the need for further laboratory testing and bone marrow examination.
- Subjects
PLATELET count; BLOOD platelet aggregation; BLOOD cell count; LEUCOCYTES; BONE marrow examination; THROMBOPOIETIN receptors; BLOOD cells
- Publication
Clinical Laboratory, 2024, Vol 70, Issue 3, p610
- ISSN
1433-6510
- Publication type
Article
- DOI
10.7754/Clin.Lab.2023.230918