Evaluation of the automated hematology analyzer XN-550 for cerebrospinal fluid cell count

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  • TANAKA Masami
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • SHUKUYA Ken-ichi
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • MORITA Yoshifumi
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • HISASUE Naoko
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • KAGEYAMA Yuko
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • OKUBO Shigeo
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • SHIMOSAWA Tatsuo
    Department of Clinical Laboratory, The University of Tokyo Hospital
  • YATOMI Yutaka
    Department of Clinical Laboratory, The University of Tokyo Hospital

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  • 多項目自動血球分析装置XN-550を用いた髄液細胞数算定の基礎的検討

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Abstract

We evaluated the clinical usefulness of XN-550, an automated hematology analyzer (Sysmex, Japan), for the determination of cell count in cerebrospinal fluid samples. Reproducibility, linearity, sensitivity and correlation of findings with those of conventional examination using a microscope were good and reliable. Drainage samples, including deformed cells, were analyzed. However, the scattergram did not correspond to the microscopy examination results, and the number of deformed cells was classified as low among side scatter cells. XN-550 is easy to handle and provides quick results, and is therefore useful for screening examination.

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