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Surveillance after Endoscopic Treatment of Duodenal Tumor Daisuke Minezaki 1 , Atsushi Nakayama 1 , Motohiko Kato 2 1Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo 2Center for Diagnostic and Therapeutic Endoscopy, Keio University Hospital, Tokyo Keyword: 表在性非乳頭部十二指腸上皮性腫瘍 , 内視鏡治療後 , サーベイランス , 遺残・再発病変 , 異時性病変 pp.841-848
Published Date 2024/6/25
DOI https://doi.org/10.11477/mf.1403203645
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 In recent times, the number of cases of SNADET(superficial non-ampullary duodenal epithelial tumors)has increased. Consequently, the number of endoscopic treatment procedures has also increased, resulting in a greater need for surveillance after endoscopic treatment. However, surveillance approaches for SNADET have not yet been established. In adenomas and mucosal cancers, the lymph node metastasis rate is significantly low, and endoscopic surveillance has been utilized. Lesions with histopathologically indistinct or positive margins at the time of treatment are at heightened risk for remnant or recurrence. In such instances, it is advisable to undergo early EGD(esophagogastroduodenoscopy), followed by continued surveillance endoscopy for approximately 2-3 years thereafter. Furthermore, although infrequent, the occurrence of metachronous lesions is possible. As a result, it is crucial to perform thorough observation not only in the treatment-scarred area but also in other sites.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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