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Updated: Jul 6, 2026

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
Published on: February 16, 2024
[Pseudomalignant endoscopic appearance in hyperplastic polyp at esophagogastric junction: case report]
M Salihoun1, N Stock, J-L Alexandre
1Service des Maladies de l'Appareil Digestif (Smad), CHU Pontchaillou, Rue Henri-Le-Guilloux, 35033 Rennes Cedex, France.
Most common stomach polyps, hyperplastic polyps, can rarely become cancerous. Large polyps over 5mm, especially those near the esophagogastric junction, require removal due to potential malignant transformation.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Hyperplastic polyps are the most frequent benign gastric tumors exceeding 5mm.
- Historically considered to have no malignant potential, a low risk of carcinomatous transformation is now acknowledged.
- Current recommendations advise removal of all gastric polyps measuring 5mm or larger.
Observation:
- A case study details a large hyperplastic gastric polyp at the esophagogastric junction.
- The polyp exhibited an endoscopic appearance suggestive of malignancy.
- Endoscopic and histological features were analyzed.
Findings:
- The case highlights the diagnostic challenges in differentiating benign hyperplastic polyps from malignant gastric lesions endoscopically.
- Histological examination is crucial for definitive diagnosis.
- Even benign polyps can present with concerning endoscopic features.
Implications:
- Accurate endoscopic diagnosis of gastric polyps is critical for appropriate management.
- The potential for malignant change necessitates vigilance and timely intervention for larger polyps.
- Understanding the prognosis of hyperplastic polyps informs clinical decision-making and patient follow-up.
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