Endoscopic and histologic features associated with gastric cancer in familial adenomatous polyposis - 19/04/19
Abstract |
Background and Aims |
Gastric cancer (GC) is a newly described cancer risk in Western patients with familial adenomatous polyposis (FAP). Little is known about clinical, endoscopic, and pathologic features associated with FAP-related GC. We compared these features in FAP patients with and without GC.
Methods |
FAP patients were identified through the David G. Jagelman Inherited Colorectal Cancer Registries Cologene database. FAP patients with GC and randomly selected FAP patients without GC who had undergone at least 2 EGDs were analyzed. Demographic, clinical, endoscopic, and pathologic features were compared.
Results |
Ten FAP patients with GC were identified, and 40 age-matched FAP control subjects were selected. No demographic differences were noted between patients and control subjects. All GC cases arose in the proximal stomach among gastric polyposis, with only 2 endoscopically visible. The prevalence of gastric polyposis was similar (100% vs 93%). Endoscopic features associated with GC included a carpeting of gastric polyps (100% vs 22.5%), solitary polyps >20 mm (100% vs 0%), and a polypoid mound of polyps (80% vs 0%; all P < .001). GC patients had a higher prevalence of gastric adenomas (30% vs 5%, P = .048) and polyps with high-grade dysplasia, including fundic gland polyps (50% vs 10%, P = .01) and pyloric gland adenomas (20% vs 0%, P = .037).
Conclusions |
We identified endoscopic features and advanced pathology present in the stomachs of Western patients with FAP who developed GC. Upper GI surveillance in FAP should include the stomach and awareness of features associated with GC. Optimal approaches to treatment of gastric polyposis and methods of identification of early GC precursors in FAP are needed.
Le texte complet de cet article est disponible en PDF.Abbreviations : APC, FAP, GC, PPI
Plan
| DISCLOSURE: All authors disclosed no financial relationships relevant to this publication. |
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| If you would like to chat with an author of this article, you may contact Dr Leone at pam.leone@gmail.com. |
Vol 89 - N° 5
P. 961-968 - mai 2019 Retour au numéro
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