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Evaluation of platelet indices for differential diagnosis of thrombocytosis by ADVIA 120

Taehan Chindan Kŏmsa Ŭihakhoe chi, 2009-12, Vol.29 (6), p.505-509

ISSN: 1598-6535 ;DOI: 10.3343/kjlm.2009.29.6.505 ;PMID: 20046080

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  • Title:
    Evaluation of platelet indices for differential diagnosis of thrombocytosis by ADVIA 120
  • Author: Song, Young Hee ; Park, Soon Ho ; Kim, Jung Eun ; Ahn, Jeong Yeal ; Seo, Yiel Hea ; Park, Pil Hwan ; Kim, Kyung Hee
  • Subjects: Aged ; Aged, 80 and over ; Diagnosis, Differential ; Female ; Humans ; Male ; Middle Aged ; Platelet Count - instrumentation ; Platelet Count - methods ; ROC Curve ; Sensitivity and Specificity ; Thrombocythemia, Essential - diagnosis ; Thrombocytosis - diagnosis
  • Is Part Of: Taehan Chindan Kŏmsa Ŭihakhoe chi, 2009-12, Vol.29 (6), p.505-509
  • Description: For the diagnosis of essential thrombocythemia (ET), no single clinical or laboratory finding of diagnostic value is available and a differential diagnosis of other myeloproliferative neoplasms or reactive thrombocytosis (RT) is needed. Following recent developments in automated blood cell analyzers, various platelet indices can now be measured. In this study, we analyzed whether platelet counts and 6 platelet indices can be used for the differentiation of ET from RT in patients with a platelet count of 600x10(3)/microL or more. The subjects studied were 31 patients with ET and 224 patients with RT. The platelet counts, mean platelet volume (MPV), plateletcrit (PCT), platelet distribution width (PDW), mean platelet mass (MPM), mean platelet component concentration (MPC) and large platelets (LPLT) were measured by ADVIA 120 (Bayer Diagnostics, USA). The mean values of each item were compared between the two patient groups and the sensitivity and specificity of each item in the diagnosis of ET were determined by ROC curve analysis. In essential thrombocythemia, all parameters except MPC were significantly higher than in reactive thrombocytosis. For the diagnosis of ET, the sensitivity and specificity were: 74.2% and 84.4%, when the platelet count was > or = 820 x 10(3)/microL; 80.6% and 80.0%, when the plateletcrit was > or = 0.63%; and 64.5% and 99.1%, respectively, when LPLT was > or = 23 x 10(3)/microL. The platelet counts and platelet indices are useful for the differential diagnosis of thrombocytosis. The plateletcrit and LPLT are particularly useful for the diagnosis of ET when the platelet count is markedly increased.
  • Publisher: Korea (South)
  • Language: Korean
  • Identifier: ISSN: 1598-6535
    DOI: 10.3343/kjlm.2009.29.6.505
    PMID: 20046080
  • Source: KoreaMed Synapse
    Geneva Foundation Free Medical Journals at publisher websites
    MEDLINE
    Alma/SFX Local Collection
    KoreaMed Open Access
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