Virtual Staining of Nonfixed Tissue Histology

Area of Science:

• Pathology
• Medical Imaging
• Computational Pathology

Background:

• Traditional surgical pathology workflows are labor-intensive, time-consuming, and costly.
• Intraoperative consultations require rapid histologic evaluation for real-time surgical guidance.
• Current frozen section techniques have limitations including long turnaround times and potential diagnostic inaccuracies.

Purpose of the Study:

• To review the latest advancements in emerging optical imaging modalities for rapid microscopic tissue imaging.
• To focus on studies generating Hematoxylin and Eosin (H&E)-like images from nonfixed human tissue.
• To provide a resource for understanding the clinical utility of these novel imaging techniques.

Main Methods:

• Comprehensive literature review of organ-specific advancements in emerging imaging modalities.
• Focus on techniques producing H&E-like images from nonfixed tissues.
• Evaluation of studies based on pathologist assessment of generated images.

Main Results:

• Exploration of various optical imaging modalities with different tissue preparation needs and imaging characteristics.
• Integration of computational algorithms with imaging methods to produce H&E-like images.
• Identification of potential benefits and drawbacks of alternative imaging modalities.

Conclusions:

• Emerging imaging modalities show promise for faster histologic evaluation in surgical pathology.
• H&E-like image generation facilitates pathologist adoption of new imaging techniques.
• These advancements have the potential to significantly improve patient care through enhanced diagnostic capabilities.