Immunohistochemistry, Quality Control, and Principles of Validation in the Central Nervous System

Verónica Velasco-Vales1, Danny Soria-Céspedes2, Teresa Cristina Cuesta-Mejías2,3

  • 1Departamento de Patología, Hospital Ángeles Lomas, Estado de México, Mexico. verovelascov@gmail.com.

Insights

Immunohistochemistry (IHC) is crucial for central nervous system diagnosis, complementing standard hematoxylin and eosin (H&E) staining. This review covers IHC

Area of Science:

  • Histopathology
  • Immunohistochemistry
  • Central Nervous System Diagnostics

Background:

  • Hematoxylin and eosin (H&E) staining is a cornerstone of histological diagnosis.
  • Immunohistochemistry (IHC) plays an indispensable role in diagnosing central nervous system disorders.
  • IHC utilizes immunological and chemical reactions to detect specific antigens within tissue sections.

Purpose of the Study:

  • To provide a comprehensive review of immunohistochemistry (IHC) in the context of central nervous system diagnostics.
  • To elucidate the critical phases involved in IHC procedures.
  • To emphasize the importance of quality control and validation in IHC.

Main Methods:

  • Review of preanalytic, analytic, and postanalytic phases of immunohistochemistry.
  • Discussion of quality control principles.
  • Examination of validation strategies for IHC techniques.

Main Results:

  • Detailed examination of the entire workflow of immunohistochemistry, from sample preparation to final interpretation.
  • Identification of key factors influencing the accuracy and reliability of IHC results.
  • Highlighting the necessity of rigorous quality assurance protocols.

Conclusions:

  • Immunohistochemistry is a powerful tool for CNS pathology, requiring careful attention to all procedural phases.
  • Adherence to quality control and validation ensures the diagnostic integrity of IHC.
  • Optimizing IHC techniques enhances diagnostic accuracy and patient care in neurology.