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Immunohistochemistry in surgical pathology: principles and practice
1Department of Pathology, HMR 311, Keck School of Medicine, University of Southern California, 2011 Zonal Avenue, 90033, Los Angeles, CA, USA, clive.taylor@med.usc.edu.
Methods in Molecular Biology (Clifton, N.J.)
|July 13, 2014
Summary
Immunohistochemistry (IHC) data interpretation is challenging due to vast literature and variability. Improving standardization, interpretation, and quantification is crucial for diagnostic accuracy.
Area of Science:
- Pathology
- Biotechnology
- Medical Diagnostics
Background:
- Immunohistochemistry (IHC) is a widely used technique in pathology.
- The volume of IHC literature has grown exponentially, making comprehensive understanding difficult.
- Variability in sample preparation, antibody use, and subjective interpretation hinders IHC reliability.
Purpose of the Study:
- To address the challenges in IHC data interpretation and reproducibility.
- To outline practical steps for maximizing IHC effectiveness within a laboratory setting.
- To highlight the need for improved standardization and quantification in IHC.
Main Methods:
- Adopting a "total test" approach, considering all phases of the IHC process.
- Implementing practical steps to enhance laboratory IHC results.
- Exploring the potential of new reference standards and digital assistance.
Main Results:
- The study identifies significant challenges in IHC data interpretation and reproducibility.
- It proposes a "total test" mindset as a key strategy for improvement.
- The necessity for enhanced standardization, consistent interpretation, and precise quantification is emphasized.
Conclusions:
- Standardization, consistent interpretation, and precise quantification are essential for reliable IHC.
- New internal/external reference standards and digital tools are likely required.
- Addressing these issues is critical for advancing personalized diagnostics.

