Abstract
An 83-year-old man visited our hospital because of difficulty swallowing. Gastroscopy revealed multiple ulcers and a reddish depression in the lesser curvature of the middle stomach. The initial biopsy showed regenerative atypia, so a gastroscopy was repeated every 3 months thereafter because of suspected malignancy. A biopsy performed 12 months after the initial gastroscopy revealed a well-differentiated adenocarcinoma. After determination of the planned oral resection line by two negative biopsies, laparoscopic distal gastrectomy was performed. The resected specimen showed a 0 − IIa + IIc lesion composed of well-to-moderately differentiated tubular adenocarcinoma, including hand-shaking-type gastric cancer. The oral resection margin was positive due to widespread mucosal extension; therefore, an additional total gastrectomy was needed. Cases of well-differentiated adenocarcinoma and its superficial extension may be difficult to diagnose via endoscopy and biopsy.
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Funding
This work was supported by a grant from the Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital Research Grant to KI. The funders played no role in the study design, data collection, data analysis, decision to publish, or preparation of the manuscript.
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All the authors contributed to the report’s conception and design. Material preparation and data collection were performed by KI, HN, HM, YY, MK, and NY. Pathological examination was performed by MI, MF, HM and AK. The first draft of the manuscript was written by KI, and all the authors read and approved the final draft of the manuscript.
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Koyo Ikeda, Hidemasa Nagai, Hideo Miyake, Yuichiro Yoshioka, Mika Katayama, Norihiro Yuasa, Masafumi Ito, Masahiko Fujino, Hideki Murakami and Ayami Kiriyama declare that they have no conflict of interest.
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Ikeda, K., Nagai, H., Miyake, H. et al. Superficial spreading type of early gastric cancer with diagnostic difficulty and positive surgical margin: a case report. Clin J Gastroenterol 15, 537–546 (2022). https://doi.org/10.1007/s12328-022-01610-y
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DOI: https://doi.org/10.1007/s12328-022-01610-y