Article
A gastric invasive tubular adenocarcinomatous lesion arising from foveolar-type neoplasia: molecular histogenesis.
Clinical journal of gastroenterology - 1 Aug 2024
Sugai Tamotsu, Uesugi Noriyuki, Hamada Koichi, Nagahashi Takayuki, Horikawa Yoshinori, Suzuki Masamichi, Sugimoto Ryo, Yanagawa Naoki
Abstract excerpt
Here, we report a rare case of a depressed lesion exhibiting both tubular differentiated adenocarcinomatous (TDA) and intraepithelial foveolar neoplasia (IFN) components (with the histological appearance of foveolar hyperplasia due to low-grade atypia). Histologically, the TDA surrounded the IFN, suggesting that the TDA may have originated from the IFN. Therefore, we examined molecular alterations in the TDA and...
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