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Updated: Oct 22, 2025

High-Throughput, Multi-Image Cryohistology of Mineralized Tissues
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Microwave-Based Rapid Tissue Processing Technique: A Novel Aid in Histopathologic Laboratory.

Pallavi Mishra1, Alokenath Bandyopadhyay1, Harish Kumar1

  • 1Department of Oral Pathology and Microbiology, Kalinga Institute of Dental Sciences, Bhubaneswar, Odisha, India.

Journal of Pharmacy & Bioallied Sciences
|August 27, 2021
PubMed
Summary

Microwave tissue processing offers a rapid and economical alternative to conventional methods, with comparable histological section quality. Minor differences in epithelial connective tissue interface were observed but did not significantly impact overall reliability.

Keywords:
Comparative studymicrowavetissue processingturnaround time

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Area of Science:

  • Histopathology
  • Tissue Processing Techniques
  • Laboratory Science

Background:

  • Conventional tissue processing is time-consuming.
  • Microwave processing offers speed but raises concerns about tissue quality and staining.
  • Reliability of microwave tissue processing requires thorough evaluation.

Purpose of the Study:

  • To compare the quality and reliability of histological sections produced by microwave processing versus conventional tissue processing.
  • To assess the suitability of microwave processing for routine histopathology.

Main Methods:

  • 80 formalin-fixed tissue samples were bisected.
  • One half underwent conventional processing, the other microwave processing.
  • Slides were evaluated by three independent observers for various histological parameters.

Main Results:

  • No significant differences were found in nuclear/cytoplasmic details, artifact occurrence, tissue architecture, or staining quality between methods.
  • One observer noted a marginally significant difference in the epithelial connective tissue interface favoring conventional processing (P=0.047).

Conclusions:

  • Microwave tissue processing is a viable, economical alternative to conventional methods.
  • It reduces hazardous chemical use and processing time.
  • Histological quality is comparable, supporting its use in routine practice.