Satoshi Komiyama
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View article: Diagnostic Accuracy of Detective Flow Imaging Endoscopic Ultrasonography for Evaluating Blood Flow Within Mural Nodules of Intraductal Papillary Mucinous Neoplasms
Diagnostic Accuracy of Detective Flow Imaging Endoscopic Ultrasonography for Evaluating Blood Flow Within Mural Nodules of Intraductal Papillary Mucinous Neoplasms Open
Background/Objectives: Detective flow imaging (DFI) endoscopic ultrasonography (EUS) can identify the microvascular flow imaging of a mural nodule (MN) in an intraductal papillary mucinous neoplasm (IPMN) without the use of contrast agents…
View article: Clinicopathological Findings and Treatment Outcomes of Patients with Primary Hepatobiliary Neuroendocrine Neoplasms: A Retrospective Single-institution Analysis
Clinicopathological Findings and Treatment Outcomes of Patients with Primary Hepatobiliary Neuroendocrine Neoplasms: A Retrospective Single-institution Analysis Open
Objective Primary hepatobiliary neuroendocrine neoplasms (NENs) are rare tumors exhibiting several morphological and behavioral characteristics. Considering the lack of relevant data on this topic, we evaluated the clinicopathological feat…
View article: Combination Therapy With Lenvatinib and Radiofrequency Ablation for Patients With Intermediate-Stage Hepatocellular Carcinoma Beyond Up-To-Seven Criteria and Child–Pugh Class A Liver function: A Pilot Study
Combination Therapy With Lenvatinib and Radiofrequency Ablation for Patients With Intermediate-Stage Hepatocellular Carcinoma Beyond Up-To-Seven Criteria and Child–Pugh Class A Liver function: A Pilot Study Open
Background The present study aimed to evaluate the efficacy and safety of combined lenvatinib (first-line systemic therapy) and radiofrequency ablation (RFA) therapy in patients with intermediate-stage hepatocellular carcinoma with beyond …
View article: Novel clip device for prevention of bleeding after endoscopic papillectomy
Novel clip device for prevention of bleeding after endoscopic papillectomy Open
Objectives Recently, a novel clip device, SureClip ® (Micro‐Tech Co. Ltd., Nanjing, China), has been developed, which improved rotation and reopening performance. We aimed to assess the efficacy of the SureClip ® in prophylactic closure of…
View article: Liver Injury and Use of Contrast-Enhanced Ultrasound for Evaluating Intrahepatic Recurrence in a Case of TACE-Refractory Hepatocellular Carcinoma Receiving Atezolizumab-Bevacizumab Combination Therapy: A Case Report
Liver Injury and Use of Contrast-Enhanced Ultrasound for Evaluating Intrahepatic Recurrence in a Case of TACE-Refractory Hepatocellular Carcinoma Receiving Atezolizumab-Bevacizumab Combination Therapy: A Case Report Open
A 67-year-old male with type 2 diabetes (T2DM) was diagnosed with postoperative intrahepatic recurrence for hepatocellular carcinoma (HCC). Nine sessions of transarterial chemoembolization (TACE) proved ineffective, and the patient was dia…
View article: Multiple-line Chemotherapy for a Patient with Unresectable Mucinous Cystic Neoplasm of the Pancreas
Multiple-line Chemotherapy for a Patient with Unresectable Mucinous Cystic Neoplasm of the Pancreas Open
A 74-year-old woman with a cyst in her pancreatic tail was referred to our hospital. Computed tomography confirmed a large cystic lesion with irregular wall thickening, abdominal lymph node swelling, and ascites. We diagnosed her with an u…
View article: Therapeutic effects of regorafenib after sorafenib monotherapy with advanced hepatocellular carcinoma including Child–Pugh classification B
Therapeutic effects of regorafenib after sorafenib monotherapy with advanced hepatocellular carcinoma including Child–Pugh classification B Open
The therapeutic effect of regorafenib was previously demonstrated in patients with advanced hepatocellular carcinoma (HCC) and Child–Pugh classification A (CP-A) whose disease progressed during sorafenib treatment in a phase III trial. How…
View article: Surgical intervention for portal hypertension caused by oxaliplatin-based chemotherapy: a case report and a review of literature regarding radiological and/or surgical interventions for oxaliplatin-associated portal hypertension
Surgical intervention for portal hypertension caused by oxaliplatin-based chemotherapy: a case report and a review of literature regarding radiological and/or surgical interventions for oxaliplatin-associated portal hypertension Open
A 63-year-old man showed massive ascites, massive pleural effusion, severe lower-extremity edema, and repeated esophageal variceal bleeding. Two-year previously, he received 13-courses of oxaliplatin-based chemotherapy (OBC) followed by as…
View article: Lenvatinib for large hepatocellular carcinomas with portal trunk invasion: Two case reports
Lenvatinib for large hepatocellular carcinomas with portal trunk invasion: Two case reports Open
Even in hepatocellular carcinoma patients with poor prognostic factors, if the liver function is well-preserved, lenvatinib is effective and safe.
View article: Clinical outcome of a highly flexible duodenal stent for gastric outlet obstruction: A multicenter prospective study
Clinical outcome of a highly flexible duodenal stent for gastric outlet obstruction: A multicenter prospective study Open
Background and Aim Endoscopic duodenal stenting for patients with malignant gastric outlet obstruction (GOO) has been widespread; however, clinical trials evaluating the structures of duodenal stents are lacking. Thus, we aimed to investig…
View article: Plastic stent kinking after endoscopic ultrasound-guided hepaticogastrostomy: A case report
Plastic stent kinking after endoscopic ultrasound-guided hepaticogastrostomy: A case report Open
A 75-year-man diagnosed with locally advanced pancreatic cancer underwent biliary stent exchange every 3 months. The latest cholangiography showed hilar stenosis. Bilateral biliary drainage was attempted; however, a plastic biliary stent (…
View article: Quantitative monitoring of circulating tumor DNA in patients with advanced pancreatic cancer undergoing chemotherapy
Quantitative monitoring of circulating tumor DNA in patients with advanced pancreatic cancer undergoing chemotherapy Open
According to cancer genome sequences, more than 90% of cases of pancreatic ductal adenocarcinoma (PDAC) harbor active KRAS mutations. Digital PCR (dPCR) enables accurate detection and quantification of rare mutations. We assessed the dynam…
View article: Pancreatic cancer with hepatic cyst infection treated with EUS-guided cyst drainage: A case report
Pancreatic cancer with hepatic cyst infection treated with EUS-guided cyst drainage: A case report Open
A 62-year-old woman with obstructive jaundice was diagnosed with pancreatic head cancer. She developed fever after endoscopic placement of a biliary stent. We initiated treatment with sulbactam/cefoperazone for cholangitis; however, fever …
View article: Successful case of cholangioscope‐assisted extraction of a radiolucent intrahepatic bile duct stent
Successful case of cholangioscope‐assisted extraction of a radiolucent intrahepatic bile duct stent Open
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View article: Shelf-life extension of repealed bean sprouts by formic acid and its nutrient composition for dairy cow feed and rumen <i>in situ</i> digestion characteristics
Shelf-life extension of repealed bean sprouts by formic acid and its nutrient composition for dairy cow feed and rumen <i>in situ</i> digestion characteristics Open
モヤシ製造工場から発生するモヤシ残さの飼料化を目的に，飼料特性を評価した．①モヤシ残さ，②破砕後モヤシ残さ，③加重脱水，④スクリュープレス1回脱水，⑤スクリュープレス2回脱水の5点の飼料分析を行った．また，変敗防止のための添加剤の必要性を検討した．さらに乳牛用飼料を想定し，in situ法により分解特性を評価した．モヤシ残さの水分含量は94.7％，破砕処理により89.0％になった．その後，加重脱水すると83.9％に，スクリュープレス脱水を行うと74.4％，再度スクリュープレ…