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Related Concept Videos

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Related Experiment Video

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A Tissue Processing Technique for Improving Slide Preparation Quality of ESD Specimens.

Shanshan Huang1, Xiaodan Fu, Yu Zhang

  • 1Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, P.R. China.

Applied Immunohistochemistry & Molecular Morphology : AIMM
|April 22, 2026
PubMed
Summary

The sponge interstitial vertical embedding method improves paraffin slide quality for endoscopic submucosal dissection (ESD) pathology, enhancing diagnostic accuracy. This technique simplifies specimen processing compared to conventional methods.

Keywords:
ESDHElabelingplacementsampling

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Area of Science:

  • Gastroenterology
  • Pathology
  • Surgical Techniques

Background:

  • Accurate pathologic evaluation is crucial for endoscopic submucosal dissection (ESD) efficacy.
  • Current ESD specimen processing in China faces challenges in postsampling steps, leading to errors.
  • This study addresses the need for improved methods in handling ESD specimens post-sampling.

Purpose of the Study:

  • To evaluate the impact of different postsampling placement and labeling methods on paraffin slide quality.
  • To determine the most effective approach for enhancing pathologic diagnostic precision after ESD.
  • To optimize the processing of endoscopic submucosal dissection specimens.

Main Methods:

  • Compared three postsampling methods: conventional, sponge sandwich, and sponge interstitial vertical embedding.
  • Utilized 45 endoscopic submucosal dissection specimens.
  • Assessed specimen quality using routine HE, IHC, and specific staining.

Main Results:

  • Both sponge sandwich and sponge interstitial vertical embedding methods yielded superior HE preparation quality over the conventional method.
  • IHC and special staining confirmed the enhanced quality from sponge-based methods.
  • The sponge interstitial vertical embedding method simplifies orientation for technicians, unlike the sponge sandwich method.

Conclusions:

  • The sponge interstitial vertical embedding method is recommended for its efficiency and clarity in specimen processing.
  • This method enhances the reliability of pathologic evaluation following endoscopic submucosal dissection.
  • Improved specimen handling directly contributes to better patient treatment outcomes.