40 Result(s)
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Article
Kazuyuki Matsumoto
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Article
Open AccessThe efficacy of non-anesthesiologist-administered propofol sedation with a target-controlled infusion system during double-balloon endoscopic retrograde cholangiopancreatography
The sedation method used during double-balloon endoscopic retrograde cholangiopancreatography (DB-ERCP) differs among countries and/or facilities, and there is no established method. This study aimed to evalua...
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Open AccessDetermination of individual factors associated with hallux valgus using SVM-RFE
This cross-sectional study aimed to determine the factors related to hallux valgus (HV) and their importance using support vector machine-recursive feature elimination (SVM-RFE).
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A phenomenological theory of itinerant weak ferromagnetism
A phenomenological theory is explored for itinerant weak ferromagnetism. Free energy including the higher order terms of \(m^{4}\) ...
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A case of endoscopic retrograde cholangiopancreatography-related main pancreatic duct perforation salvaged by endoscopic ultrasonography-guided pancreatic duct drainage
We herein report a 78-year-old man who underwent endoscopic retrograde cholangiopancreatography (ERCP) to examine main pancreatic duct (MPD) stenosis. During ERCP, MPD perforation occurred due to the cytology ...
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Double guidewire technique stabilization procedure for endoscopic ultrasound-guided hepaticogastrostomy involving modifying the guidewire angle at the insertion site
Endoscopic ultrasonography-guided hepaticogastrostomy (EUS-HGS) is often performed using a single guidewire (SGW), but the efficacy of the double guidewire (DGW) technique during endoscopic ultrasonography-gui...
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Optimization of Isolation Method for Extracellular Vesicles from Pancreatic Juice and Impact of Protease Activity
Pancreatic juice (PJ) is directly associated with pancreatic lesions, including pancreatic ductal cancer and intraductal papillary mucinous neoplasm-derived cancer. Therefore, EVs secreted from these lesions i...
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Open AccessRegulatory T cells induce a suppressive immune milieu and promote lymph node metastasis in intrahepatic cholangiocarcinoma
Emerging evidence indicates that immunogenicity plays an important role in intrahepatic cholangiocarcinoma (ICC). Herein, we systematically evaluated the clinical relevance of immunogenicity in ICC.
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Open AccessDiagnostic Utility of the PD-L1 Immunostaining in Biopsy Specimens of Patients with Biliary Tract Neoplasms
Anti-programmed death 1/programmed death ligand 1 (PD1/PD-L1) antibodies have been successfully used as treatment agents for several solid tumors; however, it is difficult to predict their effectiveness. We ev...
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Open AccessOptimal surveillance of intraductal papillary mucinous neoplasms of the pancreas focusing on remnant pancreas recurrence after surgical resection
The international consensus guidelines for intraductal papillary mucinous neoplasm of the pancreas (IPMN) presented clinical features as indications for surgery. Whereas surveillance for recurrence, including ...
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Article
Pancreatic actinomycosis treated by antibiotics after diagnosis using endoscopic ultrasound-guided fine-needle biopsy
A 71-year-old man who had undergone total gastrectomy, partial pancreatectomy, and splenectomy with Roux-en-Y reconstruction for gastric cancer was referred for a possible pancreatic tail tumor. Contrast-enhan...
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Effectiveness of Menghini-Type Needles for Endoscopic Ultrasound-Guided Fine-Needle Aspiration of Pancreatic Masses
Cutting needles are thought to be effective as biopsy needles. A few types of cutting needles are available for endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA), and the Menghini-type needle is an...
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Open AccessExtracellular vesicle-shuttled miRNAs as a diagnostic and prognostic biomarker and their potential roles in gallbladder cancer patients
Circulating microRNAs (miRNAs) in serum extracellular vesicles (EVs) are a promising biomarker in cancer. We aimed to elucidate the serum EVs miRNA biomarkers to identify patients with gallbladder cancer (GBC)...
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The Long-Term Outcomes of Endoscopic Papillectomy and Management of Cases of Incomplete Resection: A Single-Center Study
Endoscopic papillectomy is increasingly performed as an alternative to surgery for early ampullary tumors.
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Article
Treatment outcomes, including risk factors of stone recurrence, for hepatolithiasis using balloon-assisted endoscopy in patients with hepaticojejunostomy (with video)
Endoscopic treatment outcomes for hepatolithiasis in patients with altered anatomy are not well known. The aim of this study was to evaluate the treatment outcomes of hepatolithiasis in patients with hepaticoj...
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Outcomes of endoscopic treatment for malignant biliary obstruction in patients with surgically altered anatomy: analysis of risk factors for clinical failure
To evaluate the outcomes of endoscopic retrograde cholangiopancreatography (ERCP) for malignant biliary obstruction (MBO) using short-type double-balloon enteroscope (sDBE) in patients with surgically altered ...
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Correction to: Outcomes of endoscopic treatment for malignant biliary obstruction in patients with surgically altered anatomy: analysis of risk factors for clinical failure
There are several places where the P-value and Odds ratio in Table 3 are incorrect: these are shown in the corrected Table 3 below.
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Open AccessHemobilia after bile duct resection: perforation of pseudoaneurysm into intra-pancreatic remnant bile duct: a case report
Hemobilia occurs mainly due to iatrogenic factors such as impairment of the right hepatic or cystic artery, and/or common bile duct in hepatobiliary-pancreatic surgery. However, little or no cases with hemobil...
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Evaluation of Local Recurrence of Pancreatic Cancer by KRAS Mutation Analysis Using Washes from Endoscopic Ultrasound-Guided Fine-Needle Aspiration
The sensitivity of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) for diagnosing the recurrence of pancreatic cancer is usually low because of difficulties in obtaining adequate samples for path...
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Open AccessThe efficacy of pancreatic juice cytology with liquid-based cytology for evaluating malignancy in patients with intraductal papillary mucinous neoplasm
Pancreatic juice cytology (PJC) is a tool for diagnosing malignant intraductal papillary mucinous neoplasm (IPMN); however, the accuracy is insufficient using the conventional method. Liquid-based cytology (LB...
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An experimental study on Kca value to arrest a running brittle crack in structural model specimens with steel plate of 100 mm thickness for container ships
With demand for ultra-large container ships, high-strength steel plates with extremely large thicknesses are applied to the structural elements around hatch side structures. The two longitudinal plates of the ...
