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Updated: Jan 14, 2026

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Establishment and Histological Analysis of Esophageal Organoids Modeling the Progression from Normal to Cancerous Tissues
Published on: May 30, 2025
969
Pathology of early upper GI cancers
Michael Vieth1, Manfred Stolte
1Institute of Pathology, Klinikum Bayreuth, Preuschwitzer Str. 101, 95445 Bayreuth, Germany. vieth.lkpathol@uni-bayreuth.de
Best Practice & Research. Clinical Gastroenterology
|December 13, 2005
Summary
Accurate depth assessment is crucial for early gastrointestinal neoplasm treatment decisions. Standardized histological classification of esophageal neoplasms requires further global consensus for improved patient care.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Endoscopic resection for early gastrointestinal neoplasms necessitates precise infiltration depth evaluation.
- Current classification systems for mucosal neoplasms vary globally, impacting treatment decisions.
Purpose of the Study:
- To highlight the importance of accurate depth of infiltration assessment in early gastrointestinal neoplasms.
- To discuss the current limitations in the histological classification of esophageal neoplasms and the need for standardization.
Main Methods:
- Review of current endoscopic resection techniques and histological classification standards for early gastrointestinal neoplasms.
- Analysis of subdivision criteria for mucosal esophageal carcinoma (squamous cell carcinoma and adenocarcinoma).
Main Results:
- Subdivision of mucosal neoplasms is currently limited to the esophagus (m1-m3 and m1-m4).
- Distinguishing high-grade intraepithelial neoplasia from mucosal carcinoma is clinically insignificant due to the necessity of diagnostic endoscopic resection.
- Low-grade intraepithelial neoplasia diagnosis is frequently confounded by regenerative changes.
Conclusions:
- Standardized histological diagnoses for early neoplasms are essential and require improved international consensus.
- Accurate depth assessment remains paramount for guiding endoscopic versus surgical therapy decisions in early gastrointestinal neoplasia.

