Intra-ampullary papillary-tubular neoplasm (IAPN): characterization of tumoral intraepithelial neoplasia occurring within the ampulla: a clinicopathologic analysis of 82 cases.

@article{Ohike2010IntraampullaryPN,
  title={Intra-ampullary papillary-tubular neoplasm (IAPN): characterization of tumoral intraepithelial neoplasia occurring within the ampulla: a clinicopathologic analysis of 82 cases.},
  author={Nobuyuki Ohike and Grace Eun Hye Kim and Takuma Tajiri and Alyssa M. Krasinskas and Olca Basturk and Ipek Coban and Sudeshna C. Bandyopadhyay and Toshio Morohoshi and Michael Wayne Goodman and David A. Kooby and J. Manuel Sarmiento and N. Volkan Adsay},
  journal={The American journal of surgical pathology},
  year={2010},
  volume={34 12},
  pages={1731-48}
}
BACKGROUND There has been no uniform terminology for systematic analysis of mass-forming preinvasive neoplasms (which we term tumoral intraepithelial neoplasia) that occur specifically within the ampulla. Here, we provide a detailed analysis of these neoplasms, which we propose to refer to as intra-ampullary papillary-tubular neoplasm (IAPN). MATERIALS AND METHODS Three hundred and seventeen glandular neoplasms involving the ampulla were identified through a review of 1469… CONTINUE READING