Yui Kishimoto

The evolving landscape of chronic pancreatitis in Japan: findings from a nationwide epidemiological survey in 2021

Atsushi Masamune, Ryotaro Matsumoto, Tetsuya Takikawa, Yasuhisa Sekino et autres

BACKGROUND: To reassess the clinico-epidemiological characteristics of chronic pancreatitis (CP) in Japan, we conducted a nationwide epidemiological survey. METHODS: A two-stage nationwide survey was performed targeting patients with CP treated at participating hospitals in 2021. The first-stage survey estimated the number of …

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Nationwide epidemiological survey of acute pancreatitis in Japan, 2021: the impact of the COVID-19 pandemic and revised clinical guidelines

Yuichi Tanaka, Atsushi Masamune, Ryotaro Matsumoto, Tetsuya Takikawa et autres

OBJECTIVES: This study aimed to clarify the current clinico-epidemiological characteristics of acute pancreatitis (AP) in Japan. METHODS: We conducted a two-stage nationwide survey of patients with AP treated at selected hospitals in 2021, during the COVID-19 pandemic. The first stage estimated the …

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Peroral pancreatoscopy with videoscopy and narrow-band imaging in intraductal papillary mucinous neoplasms with dilatation of the main pancreatic duct

Yui Kishimoto, Naoki Okano, Ken Ito, Kensuke Takuma et autres

This corrects the article "Peroral Pancreatoscopy with Videoscopy and Narrow-Band Imaging in Intraductal Papillary Mucinous Neoplasms with Dilatation of the Main Pancreatic Duct" in Volume 55 on page 270.

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Volume–Outcome Relationship in Cancer Survival Rates: Analysis of a Regional Population-Based Cancer Registry in Japan

Yoichiro Sato, Rena Kaneko, Yuichiro Yano, Kentaro Kamada et autres

BACKGROUND: There is limited data on the relationship between hospital volumes and outcomes with respect to cancer survival in Japan. The primary objective of this study was to evaluate the effect of hospital volume on cancer survival rate using a population-based cohort …

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Peroral Pancreatoscopy with Videoscopy and Narrow-Band Imaging in Intraductal Papillary Mucinous Neoplasms with Dilatation of the Main Pancreatic Duct

Yui Kishimoto, Naoki Okano, Ken Ito, Kensuke Takuma et autres

BACKGROUND/AIMS: Endoscopic evaluation of intraductal papillary mucinous neoplasms (IPMNs) is useful in determining whether the lesions are benign or malignant. This study aimed to examine the usefulness of peroral pancreatoscopy (POPS) in determining the prognosis of IPMNs. METHODS: POPS with videoscopy was …

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Efficacy of Hypertonic Saline-Epinephrine Local Injection Around the Anal Side before Endoscopic Papillectomy for Ampullary Tumors

Naoki Okano, Yoshinori Igarashi, Ken Ito, Saori Mizutani et autres

BACKGROUND/AIMS: Bleeding is a complication of endoscopic snare papillectomy for ampullary tumors. This study aimed to investigate the clinical efficacy of hypertonic saline-epinephrine (HSE) local injection before endoscopic papillectomy for prevention of bleeding. METHODS: We retrospectively reviewed the data of 107 consecutive …

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[A case of diverticulitis in the horizontal part of the duodenum].

Wataru Ujita, Kensuke Takuma, M Namiki, Koji Watanabe et autres

A 38-year-old woman was referred to our department to investigate epigastric discomfort. Laboratory studies showed increases in the peripheral white blood cell count and the level of C-reactive protein. Abdominal computed tomography depicted inflammation and a mass in the horizontal part of …

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Successful treatment of advanced pancreatic leiomyosarcoma treated with gemcitabine plus nab-paclitaxel: a case report and literature review

Yoshinori Kikuchi, Yusuke Nishikawa, Makoto Amanuma, Yui Kishimoto et autres

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Hemobilia confirmed with endoscope following bile duct metallic stent placement

Wataru Ujita, Kensuke Takuma, Yuto Yamada, Kouji Watanabe et autres

A 65-year-old man underwent Billroth II surgery and was referred to our department for jaundice. Our diagnosis was cancer of the pancreatic head, so we placed a bare metallic stent in the bile duct. We performed endoscope because of melena but findings …

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A case of cancer of the major duodenal papilla that developed 4 years after intraductal papillary mucinous neoplasm of the main pancreatic duct

Koji Watanabe, Yuto Yamada, Kensuke Yoshimoto, Susumu Iwasaki et autres

An 87-year-old woman was found to have dilation of the main pancreatic duct on endoscopic therapy for choledocholithiasic cholangitis and a small protrusion in the main pancreatic duct on peroral pancreatoscopy. We made a diagnosis of benign main-duct intraductal papillary mucinous neoplasm …

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A case of transpapillary removal of choledocholithiasis using a forward-viewing scope by the rendezvous method via the PTGBD route

Yuto Yamada, Kouji Watanabe, Susumu Iwasaki, Yui Kishimoto et autres

A 75-year-old woman was referred to our department to be investigated for liver damage. Abdominal computed tomography findings revealed choledocholithiasis with an 11-mm stone. We attempted endoscopic lithotomy using a duodenoscope. However, it was impossible to pass the duodenoscope beyond a gastric …

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A case of chronic pancreatitis with complete removal of pancreatic stones by grasping forceps

Koji Watanabe, Yui Kishimoto, Yuto Yamada, Yusuke Kimura et autres

The patient was a 64-year-old male as a habitual drinker (ethanol amount: 60-80g/day) who visited us for possible chronic pancreatitis in health examination. In abdominal CT findings, we found 3 pancreatic stones in main pancreatic duct of pancreas head and main pancreatic …

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