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Case Reports in Gastrointestinal Medicine
Volume 2015, Article ID 201042, 6 pages
http://dx.doi.org/10.1155/2015/201042
Case Report

Focal Intramucosal Adenocarcinoma Occurring in Gastric Hyperplastic Polyps: Two Case Reports

1Department of Gastroenterology, Chikamori Hospital, Kochi 780-8522, Japan
2Department of Endoscopic Diagnostics and Therapeutics, Kochi Medical School, Kochi University, Nankoku 783-8505, Japan

Received 26 May 2015; Accepted 15 July 2015

Academic Editor: Christoph Vogt

Copyright © 2015 Keisuke Taniuchi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. W.-L. Zea-Iriarte, I. Sekine, M. Itsuno et al., “Carcinoma in gastric hyperplastic polyps. A phenotypic study,” Digestive Diseases and Sciences, vol. 41, no. 2, pp. 377–386, 1996. View at Publisher · View at Google Scholar · View at Scopus
  2. R. Jain and R. Chetty, “Gastric hyperplastic polyps: a review,” Digestive Diseases and Sciences, vol. 54, no. 9, pp. 1839–1846, 2009. View at Publisher · View at Google Scholar · View at Scopus
  3. D. J. Morais, A. Yamanaka, J. M. R. Zeitune, and N. A. Andreollo, “Gastric polyps: a retrospective analysis of 26,000 digestive endoscopies,” Arquivos de Gastroenterologia, vol. 44, no. 1, pp. 14–17, 2007. View at Google Scholar · View at Scopus
  4. K. Dirschmid, C. Platz-Baudin, and M. Stolte, “Why is the hyperplastic polyp a marker for the precancerous condition of the gastric mucosa?” Virchows Archiv, vol. 448, no. 1, pp. 80–84, 2006. View at Publisher · View at Google Scholar · View at Scopus
  5. Y. H. Shaib, M. Rugge, D. Y. Graham, and R. M. Genta, “Management of gastric polyps: an endoscopy-based approach,” Clinical Gastroenterology and Hepatology, vol. 11, no. 11, pp. 1374–1384, 2013. View at Publisher · View at Google Scholar · View at Scopus
  6. C.-H. Wu, M.-J. Chen, W.-H. Chang, Y.-J. Chan, H.-Y. Wang, and S.-C. Shih, “Signet-ring type adenocarcinoma arising from a tiny gastric polyp,” Gastrointestinal Endoscopy, vol. 67, no. 4, pp. 724–725, 2008. View at Publisher · View at Google Scholar · View at Scopus
  7. J. Imura, S. Hayashi, K. Ichikawa et al., “Malignant transformation of hyperplastic gastric polyps: an immunohistochemical and pathological study of the changes of neoplastic phenotype,” Oncology Letters, vol. 7, no. 5, pp. 1459–1463, 2014. View at Publisher · View at Google Scholar · View at Scopus
  8. A. M. M. F. Nogueira, F. Cameiro, R. Seruca et al., “Microsatellite instability in hyperplastic and adenomatous polyps of the stomach,” Cancer, vol. 86, no. 9, pp. 1649–1656, 1999. View at Publisher · View at Google Scholar · View at Scopus
  9. K. Murakami, H. Mitomi, K. Yamashita, S. Tanabe, K. Saigenji, and I. Okayasu, “p53, but not c-Ki-ras, mutation and down-regulation of p21WAF1/CIP1 and cyclin D1 are associated with malignant transformation in gastric hyperplastic polyps,” American Journal of Clinical Pathology, vol. 115, no. 2, pp. 224–234, 2001. View at Publisher · View at Google Scholar · View at Scopus
  10. S. Hirasaki, S. Suzuki, H. Kanzaki, K. Fujita, S. Matsumura, and E. Matsumoto, “Minute signet ring cell carcinoma occurring in gastric hyperplastic polyp,” World Journal of Gastroenterology, vol. 13, no. 43, pp. 5779–5780, 2007. View at Publisher · View at Google Scholar · View at Scopus
  11. N. Ljubičić, M. Banić, M. Kujundžić et al., “The effect of eradicating Helicobacter pylori infection on the course of adenomatous and hyperplastic gastric polyps,” European Journal of Gastroenterology and Hepatology, vol. 11, no. 7, pp. 727–730, 1999. View at Publisher · View at Google Scholar · View at Scopus
  12. A. F. Goddard, R. Badreldin, D. M. Pritchard, M. M. Walker, and B. Warren, “The management of gastric polyps,” Gut, vol. 59, no. 9, pp. 1270–1276, 2010. View at Publisher · View at Google Scholar · View at Scopus
  13. T. Yao, M. Kajiwara, S. Kuroiwa et al., “Malignant transformation of gastric hyperplastic polyps: alteration of phenotypes, proliferative activity, and p53 expression,” Human Pathology, vol. 33, no. 10, pp. 1016–1022, 2002. View at Publisher · View at Google Scholar · View at Scopus
  14. R. N. Sharaf, A. K. Shergill, R. D. Odze et al., “Endoscopic mucosal tissue sampling,” Gastrointestinal Endoscopy, vol. 78, no. 2, pp. 216–224, 2013. View at Publisher · View at Google Scholar
  15. A.-R. Han, C. O. Sung, K. M. Kim et al., “The clinicopathological features of gastric hyperplastic polyps with neoplastic transformations: a suggestion of indication for endoscopic polypectomy,” Gut and Liver, vol. 3, no. 4, pp. 271–275, 2009. View at Publisher · View at Google Scholar · View at Scopus
  16. S. W. Carmack, R. M. Genta, D. Y. Graham, and G. Y. Lauwers, “Management of gastric polyps: a pathology-based guide for gastroenterologists,” Nature Reviews Gastroenterology and Hepatology, vol. 6, no. 6, pp. 331–341, 2009. View at Publisher · View at Google Scholar · View at Scopus