A practical approach to panel design, validation, and interpretation for the evaluation of T-cell neoplasms by flow

Jean Oak1, Felipe Magalhaes Furtado2,3, Katherine A Devitt4

  • 1Department of Pathology, Stanford University, Stanford, California, USA.

Insights

This guide offers a practical framework for diagnosing T-cell neoplasms using immunophenotyping. It details key antigens like TRBC1 and TRBC2, and analytical methods to improve accuracy in T-cell leukemia and lymphoma assessment.

Area of Science:

  • Hematopathology
  • Immunophenotyping
  • T-cell Neoplasms

Background:

  • T-cell neoplasms present diagnostic challenges due to immunophenotypic heterogeneity.
  • Accurate diagnosis is crucial for effective treatment and patient outcomes.

Purpose of the Study:

  • To provide a practical framework for T-cell neoplasm immunophenotyping.
  • To standardize laboratory assessment of these challenging hematologic malignancies.

Main Methods:

  • Outlines utility of key antigens (TRBC1, TRBC2) for screening and classification.
  • Discusses analytical strategies like "difference from normal" and template-based gating.
  • Incorporates validation considerations aligned with CLSI H62 guidelines.

Main Results:

  • Provides a framework for designing, validating, and interpreting immunophenotyping studies.
  • Highlights specific antigens and methods for improved T-cell neoplasm assessment.

Conclusions:

  • Standardizing immunophenotyping workflows enhances T-cell neoplasm assessment.
  • This best practice guide aims to improve diagnostic accuracy across clinical settings.