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JOURNAL ARTICLE
OBSERVATIONAL STUDY
Gastric Adenocarcinomas in Central Tunisia: Evolution Specificities through Two Decades and Relation with Helicobacter pylori.
Oncology 2018
INTRODUCTION: In developed countries, authors have reported variations over time in the seat and histological type of gastric adenocarcinomas, which were explained by Helicobacter pylori infection (HPI) incidence changes. In North-African countries and the Arabic world, epidemiological changes in gastric adenocarcinomas are still unknown. Our study aims to explore and to describe those changes in central Tunisia.
MATERIALS AND METHODS: This is a retrospective observational and descriptive study including 876 cases based on the National Central Tunisian Register of Cancers over a period of 21 years. Two groups were formed and compared (group A: 337 patients from 1995 to 2005; group B: 539 patients from 2006 to 2015).
RESULTS: HPI decreased from 32.6% in group A to 11.2% in group B (p < 0.05). Signet ring cell carcinomas increased in 2 decades from 14% in group A to 36% in group B (p < 0.05). Proximal cancers were 16.61% in group A and increased to 19.66% in group B (p = 0.3). Total gastrectomy rate was 10.4% in group A versus 23.2% in group B (p < 0.05).
CONCLUSION: This study has shown a significant increase of signet ring cell carcinomas with a simultaneous decrease in HPI in the last decade in central Tunisia.
MATERIALS AND METHODS: This is a retrospective observational and descriptive study including 876 cases based on the National Central Tunisian Register of Cancers over a period of 21 years. Two groups were formed and compared (group A: 337 patients from 1995 to 2005; group B: 539 patients from 2006 to 2015).
RESULTS: HPI decreased from 32.6% in group A to 11.2% in group B (p < 0.05). Signet ring cell carcinomas increased in 2 decades from 14% in group A to 36% in group B (p < 0.05). Proximal cancers were 16.61% in group A and increased to 19.66% in group B (p = 0.3). Total gastrectomy rate was 10.4% in group A versus 23.2% in group B (p < 0.05).
CONCLUSION: This study has shown a significant increase of signet ring cell carcinomas with a simultaneous decrease in HPI in the last decade in central Tunisia.
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