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Recent advances in artificial intelligence for pancreatic ductal adenocarcinoma

World Journal of Gastroenterology 2021年第43期27卷 7480-7496页

作者： Hiromitsu Hayashi Norio Uemura kazuki matsumura Liu Zhao Hiroki Sato Yuta Shiraishi Yo-ichi Yamashita Hideo Baba Department of Gastroenterological Surgery Graduate School of Life SciencesKumamoto UniversityKumamoto 860-8556Japan

Pancreatic ductal adenocarcinoma(PDAC)remains the most lethal type of *** 5-year survival rate for patients with early-stage diagnosis can be as high as 20%,suggesting that early diagnosis plays a pivotal role in the prognostic improvement of PDAC *** the medical field,the broad availability of biomedical data has led to the advent of the“big data”*** overcome this deadly disease,how to fully exploit big data is a new challenge in the era of precision *** intelligence(AI)is the ability of a machine to learn and display intelligence to solve *** can help to transform big data into clinically actionable insights more efficiently,reduce inevitable errors to improve diagnostic accuracy,and make real-time ***-based omics analyses will become the next alterative approach to overcome this poor-prognostic disease by discovering biomarkers for early detection,providing molecular/genomic subtyping,offering treatment guidance,and predicting recurrence and *** in AI may therefore improve PDAC survival outcomes in the near *** present review mainly focuses on recent advances of AI in PDAC for *** believe that breakthroughs will soon emerge to fight this deadly disease using AI-navigated precision medicine.

关键词： Pancreatic cancer Pancreatic ductal adenocarcinoma Artificial intelligence Machine learning Precision medicine

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Ectopic hepatocellular carcinoma mimicking a retroperitoneal tumor:A case report

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World Journal of Gastroenterology 2020年第18期26卷 2268-2275页

作者： Yuki Adachi Hiromitsu Hayashi Toshihiko Yusa Toru Takematsu kazuki matsumura Takaaki Higashi Kensuke Yamamura Takanobu Yamao Katsunori Imai Yo-ichi Yamashita Hideo Baba Department of Gastroenterological Surgery Graduate School of Life SciencesKumamoto UniversityKumamoto 8608556Japan

BACKGROUND An ectopic hepatocellular carcinoma(EHCC)arises from the ectopic liver which is defined as a hepatic organ or tissue not connected to surrounding *** is a rare disease and it is difficult to diagnose ***,the clinical features are not fully *** SUMMARY A retroperitoneal tumor(6 cm)was located at the dorsal side of the pancreas head on abdominal ultrasonography in an 81-year old woman positive for hepatitis C virus *** enhanced-computed tomography and gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging showed viable HCC patterns with early enhancement and delayed *** tumor markers-serum alphafetoprotein and alpha-fetoprotein-L3%-were increased to 30.1 ng/m L and83.1%,*** induced by vitamin K absence or antagonist-Ⅱwas within normal levels(17 m AU/m L).Positron emission tomography-computed tomography showed strong accumulation into the tumor(Standardized Uptake Value max:13.8),and the tumor cytology following endoscopic ultrasoundguided fine needle aspiration showed poorly differentiated *** extirpation was performed,and operative findings showed that the retroperitoneal tumor was disconnected from the pancreas and the *** lymph nodes near the tumor were histologically *** histological examination,the tumor was finally diagnosed as EHCC with Arginase-1 positive *** We report our experience of a rare EHCC which was difficult to diagnose,and we present a review of the literature.

关键词： Ectopic hepatocellular carcinoma Differential diagnosis Retroperitoneal tumor Case report

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Risk factors for lymph node metastasis in patients with pancreatic neuroendocrine neoplasms

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World Journal of Clinical Oncology 2022年第6期13卷 520-528页

作者： Yosuke Nakao Hiromitsu Hayashi Yo-ichi Yamashita Ofuchi Takashi kazuki matsumura Norio Uemura Fumimasa Kitamura Rumi Itoyama Toshihiko Yusa Katsunobu Taki Tatsunori Miyata Takaaki Higashi Shigeki Nakagawa Hirohisa Okabe Katsunori Imai Hideo Baba Department of Gastroenterological Surgery Kumamoto UniversityKumamoto 860-8556Japan

BACKGROUND Although PNENs generally have a better prognosis than pancreatic cancers,some PNENs display malignant behavior including lymph node(LN)*** tumor resection can be the only potentially curative treatment for patients with resectable ***,the indications for LN dissection are still *** the last decade,minimally invasive surgery such as laparoscopic pancreatic surgery(LPS)has been increasingly performed for pancreatic tumors including *** To investigate the risk factors for LN metastasis in PNENs and to select appropriate patients for limited surgery by *** From April 2001 to December 2019,92 patients underwent pancreatic resection for PNENs at Kumamoto University ***,82 patients were enrolled in this *** perioperative factors,we examined the predictive factors for LN metastasis in *** Among the 82 patients,the percentage of LN metastasis according to the pathological findings was 12%(10/82 cases).The median tumor size was 12 mm(range:5-90 mm).The median tumor size in the LN-positive group(37 mm)was significantly larger than that in the LN-negative group(12 mm)(P=0.0001).Multivariate analyses revealed that larger tumor size(≥20 mm)was an independent risk factor for LN metastasis(odds ratio 16.8,P=0.0062).In patients with small tumors(≤10 mm),LN metastasis was not *** Larger tumor size(≥20 mm)is an independent risk factor for LN metastasis in *** smaller PNENs(≤10 mm),we may be able to choose limited surgery without LN dissection.

关键词： Lymph node metastasis Pancreatic neuroendocrine neoplasms Risk factor Tumor size

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