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Updated: Jan 26, 2026

An Organotypic High Throughput System for Characterization of Drug Sensitivity of Primary Multiple Myeloma Cells
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An Organotypic High Throughput System for Characterization of Drug Sensitivity of Primary Multiple Myeloma Cells

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[Multiple myeloma immunophenotyping: method validation]

Inès Vergnolle1, Jean-Baptiste Rieu1, Hervé Avet-Loiseau1

  • 1IUC-T laboratoire d'hématologie, CHU de Toulouse, Toulouse, France.

Annales De Biologie Clinique
|April 19, 2019
PubMed

Insights

Flow cytometric immunophenotyping is crucial for multiple myeloma management. Ensuring sample quality and controlling preanalytical/analytical conditions are vital for reliable results in clinical laboratories.

Area of Science:

  • Clinical Hematology
  • Laboratory Medicine
  • Immunology

Background:

  • Flow cytometric immunophenotyping is essential for multiple myeloma management, including clonality assessment, prognosis in gammopathy of undetermined significance, and minimal residual disease monitoring.
  • Routine immunophenotyping of bone marrow plasma cells is performed in clinical hematology laboratories.

Purpose of the Study:

  • To assess the reliability of flow cytometric immunophenotyping for bone marrow plasma cells.
  • To ensure method compliance with the NF ISO EN 15189 standard for medical laboratories.

Main Methods:

  • Technical performance evaluation of flow cytometric immunophenotyping.
  • Assessment of preanalytical and analytical conditions impacting sample quality.

Main Results:

  • The flow cytometric immunophenotyping method demonstrated good technical performance.
  • The study highlighted the critical importance of sample quality and the control of preanalytical and analytical variables.

Conclusions:

  • Standardization and quality control are paramount for reliable flow cytometry results in clinical practice.
  • Optimizing preanalytical and analytical phases is necessary to maximize laboratory practices and ensure diagnostic accuracy.

Keywords:
flow cytometrymethod validationmultiple myeloma

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