Takuya Ishikawa
YOU?
Author Swipe
View article: Delayed Bleeding After Endoscopic Ultrasound‐guided Hepaticogastrostomy due to Pseudoaneurysm Rupture in a Patient Who Underwent Plastic Stent Placement: A Case Report
Delayed Bleeding After Endoscopic Ultrasound‐guided Hepaticogastrostomy due to Pseudoaneurysm Rupture in a Patient Who Underwent Plastic Stent Placement: A Case Report Open
Endoscopic ultrasound‐guided hepaticogastrostomy (EUS‐HGS) is a useful alternative treatment for endoscopic retrograde cholangiopancreatography (ERCP) failure. However, serious complications sometimes occur. Bleeding is an early complicati…
View article: Quantitative evaluation of upper gastrointestinal subepithelial lesions using endoscopic ultrasound-guided shear wave elastography.
Quantitative evaluation of upper gastrointestinal subepithelial lesions using endoscopic ultrasound-guided shear wave elastography. Open
Shear wave elastography provides quantitative data on tissue stiffness, but was not available for endoscopic ultrasound until recently. The present study investigated the utility of a newly developed endoscopic ultrasound-guided shear wave…
View article: New Endoscopic Strategy for Ampullary Tumor and Superficial Nonampullary Duodenal Epithelial Tumor Extending Into Papillary Area
New Endoscopic Strategy for Ampullary Tumor and Superficial Nonampullary Duodenal Epithelial Tumor Extending Into Papillary Area Open
Background and Study Aim Endoscopic papillectomy (EP) is widely performed for avoiding high‐risk surgeries. However, recurrence rates are high, and lateral extension is a risk for recurrence. With endoscopic submucosal dissection (ESD), ev…
View article: Perilesional branch duct dilation as a hallmark MRCP feature for differentiating high-grade PanIN from low-grade PanIN
Perilesional branch duct dilation as a hallmark MRCP feature for differentiating high-grade PanIN from low-grade PanIN Open
Perilesional BPD dilation on MRCP is a primary imaging feature for differentiating HG-PanIN, characterized by substantial interobserver agreement. While PPA on MRI is another important independent predictor, its lower interobserver agreeme…
View article: Ampullary tumors exhibit increased Fusobacterium in both the tumor surface and surrounding duodenal mucosa during carcinoma progression
Ampullary tumors exhibit increased Fusobacterium in both the tumor surface and surrounding duodenal mucosa during carcinoma progression Open
View article: Clinical features and long‐term prognosis of type 1 autoimmune pancreatitis based on the location of bile duct lesions
Clinical features and long‐term prognosis of type 1 autoimmune pancreatitis based on the location of bile duct lesions Open
Background/Purpose Type 1 autoimmune pancreatitis (AIP) frequently involves biliary lesions and poses diagnostic and therapeutic challenges. We aimed to evaluate the clinical features and long‐term prognosis of type 1 AIP with a focus on t…
View article: A Novel Clip Device for Safer and Faster Suturing in Endoscopic Papillectomy: A Retrospective Study of 241 Procedures
A Novel Clip Device for Safer and Faster Suturing in Endoscopic Papillectomy: A Retrospective Study of 241 Procedures Open
Background and Aim Endoscopic papillectomy (EP) is a minimally invasive treatment for ampullary neoplasms. However, traditional endoscopic clips used for hemostasis and suturing during EP are often difficult to manipulate because of limita…
View article: Clinical characteristics of immune checkpoint inhibitor-related pancreatic injury with pancreatitis in patients with advanced malignancies
Clinical characteristics of immune checkpoint inhibitor-related pancreatic injury with pancreatitis in patients with advanced malignancies Open
ICI-PI with pancreatitis is rare but has become more prevalent with the increasing use of ICIs. Future prospective multicenter studies are needed to confirm these findings and develop standardized diagnostic and treatment protocols.
View article: Balancing benefits and risks of endotherapy in painless pancreatic stones: New horizons in chronic pancreatitis management
Balancing benefits and risks of endotherapy in painless pancreatic stones: New horizons in chronic pancreatitis management Open
View article: Clinical and Medical Economic Value of Screening Colonoscopy before Laparoscopic Cholecystectomy
Clinical and Medical Economic Value of Screening Colonoscopy before Laparoscopic Cholecystectomy Open
Objective: Clinical value of screening colonoscopy (SC) has been widely accepted; however, its clinical utility remains controversial in patients who undergo laparoscopic cholecystectomy (LC). The aim of this study was to evaluate the clin…
View article: Usefulness of endoscopic ultrasonography for differentiating between non-functional pancreatic neuroendocrine neoplasm and intrapancreatic accessory spleen
Usefulness of endoscopic ultrasonography for differentiating between non-functional pancreatic neuroendocrine neoplasm and intrapancreatic accessory spleen Open
In pancreatic hypervascular masses, it is often difficult to differentiate pancreatic neuroendocrine neoplasm (PanNEN) and intrapancreatic accessory spleen (IPAS) before surgery because of their similar features, such as a round shape and …
View article: Delayed Laparoscopic Cholecystectomy With Fluorescent Cholangiography for Acute Cholecystitis: Is It Safe?
Delayed Laparoscopic Cholecystectomy With Fluorescent Cholangiography for Acute Cholecystitis: Is It Safe? Open
Background According to the Tokyo Guidelines 2018 (TG‐18), delayed laparoscopic cholecystectomy (DLC) after recovering from acute cholecystitis (AC) is recommended for patients with poor status. Moreover, DLC for patients with good status …
View article: Factors associated with misdiagnosis of preoperative endoscopic ultrasound in patients with pancreatic cystic neoplasms undergoing surgical resection
Factors associated with misdiagnosis of preoperative endoscopic ultrasound in patients with pancreatic cystic neoplasms undergoing surgical resection Open
View article: Endoscopic transpapillary gallbladder drainage using a novel sphincterotome
Endoscopic transpapillary gallbladder drainage using a novel sphincterotome Open
Watch a video of this article.
View article: Endoscopic Papillectomy for Ampullary Gangliocytic Paraganglioma: A Case Series and Literature Review
Endoscopic Papillectomy for Ampullary Gangliocytic Paraganglioma: A Case Series and Literature Review Open
Objective Gangliocytic paraganglioma (GP) significantly affects patients' quality of life. However, studies on endoscopic papillectomy (EP) for ampullary GP are limited. We therefore evaluated the safety and efficacy of EP for treating amp…
View article: Predictors of the efficacy of vedolizumab in patients with ulcerative colitis.
Predictors of the efficacy of vedolizumab in patients with ulcerative colitis. Open
Vedolizumab is a treatment option for ulcerative colitis but data on predictors of treatment response remain insufficient to establish personalized treatment strategies. We aimed to investigate the real-world effectiveness of vedolizumab i…
View article: New drug-delivery balloon catheter for easy and fast injection of triamcinolone after esophageal endoscopic submucosal dissection
New drug-delivery balloon catheter for easy and fast injection of triamcinolone after esophageal endoscopic submucosal dissection Open
Esophageal endoscopic submucosal dissection (ESD) is a very common and useful endoscopic treatment for superficial esophageal cancer [1]. The most common delayed adverse event of esophageal ESD for extensive lesions is stenosis [2]. Local …
View article: Synthetic retinoid-mediated preconditioning of cancer-associated fibroblasts and macrophages improves cancer response to immune checkpoint blockade
Synthetic retinoid-mediated preconditioning of cancer-associated fibroblasts and macrophages improves cancer response to immune checkpoint blockade Open
Background The proliferation of cancer-associated fibroblasts (CAFs) hampers drug delivery and anti-tumor immunity, inducing tumor resistance to immune checkpoint blockade (ICB) therapy. However, it has remained a challenge to develop ther…
View article: Clinical and medical economic value of screening colonoscopy before laparoscopic cholecystectomy
Clinical and medical economic value of screening colonoscopy before laparoscopic cholecystectomy Open
Purposes: Clinical value of screening colonoscopy (SC) has been widely accepted; however, its clinical utility remains controversial in patients who undergo laparoscopic cholecystectomy (LC). The aim of this study is to confirm the clinica…
View article: Correction: Cutting edge of endoscopic ultrasound-guided fine-needle aspiration for solid pancreatic lesions
Correction: Cutting edge of endoscopic ultrasound-guided fine-needle aspiration for solid pancreatic lesions Open
View article: Endoscopic ultrasound-guided drainage using a forward-viewing echoendoscope for peripancreatic fluid collection after Child resection
Endoscopic ultrasound-guided drainage using a forward-viewing echoendoscope for peripancreatic fluid collection after Child resection Open
Peripancreatic fluid collection (PFC) due to pancreatic leakage is one of the significant complications arising following pancreatic surgery. Although endoscopic ultrasound (EUS)-guided drainage is less invasive than other methods in treat…
View article: Predictive patterns of lower urinary tract symptoms and bacteriuria in adults with type 2 diabetes
Predictive patterns of lower urinary tract symptoms and bacteriuria in adults with type 2 diabetes Open
View article: Monoclonal Antibodies Against Mature Interleukin-18 Ameliorate Colitis and Repair Goblet Cell Function
Monoclonal Antibodies Against Mature Interleukin-18 Ameliorate Colitis and Repair Goblet Cell Function Open
Numerous biological interventions and small molecules are used to treat Crohn’s disease; however, the effectiveness of these treatments varies largely. Non-responsiveness to biological therapies is associated with interleukin (IL)-18 gene …
View article: Cutting edge of endoscopic ultrasound-guided fine-needle aspiration for solid pancreatic lesions
Cutting edge of endoscopic ultrasound-guided fine-needle aspiration for solid pancreatic lesions Open
This article provides an extensive review of the advancements and future perspectives related to endoscopic ultrasound-guided tissue acquisition (EUS-TA) for the diagnosis of solid pancreatic lesions (SPLs). EUS-TA, including fine-needle a…
View article: Current status of and future issues related to endoscopic papillectomy.
Current status of and future issues related to endoscopic papillectomy. Open
Endoscopic papillectomy is widely performed to treat duodenal papillary tumors, particularly at high-volume centers. It is indicated for adenomas without intraductal extension of the bile or pancreatic ducts. However, despite numerous repo…
View article: Clinical characteristics of Dieulafoy’s lesion in the small bowel diagnosed and treated by double-balloon endoscopy
Clinical characteristics of Dieulafoy’s lesion in the small bowel diagnosed and treated by double-balloon endoscopy Open
Background Obscure gastrointestinal bleeding refers to bleeding for which the source cannot be ascertained even through balloon-assisted endoscopy. In certain instances, Dieulafoy’s lesion in the small bowel is presumed to be the underlyin…
View article: Impact of sarcopenia on biliary drainage during neoadjuvant therapy for pancreatic cancer
Impact of sarcopenia on biliary drainage during neoadjuvant therapy for pancreatic cancer Open
Background/Aims: Since the usefulness of neoadjuvant chemo(radiation) therapy (NAT) for pancreatic cancer has been demonstrated, recurrent biliary obstruction (RBO) in patients with pancreatic cancer with a fully covered self-expandable me…
View article: Usefulness of Endoscopic Ultrasound Elastography and Contrast-Enhanced Endoscopic Ultrasound in the Diagnosis of Pancreatic Cancer of 10 mm or Less
Usefulness of Endoscopic Ultrasound Elastography and Contrast-Enhanced Endoscopic Ultrasound in the Diagnosis of Pancreatic Cancer of 10 mm or Less Open
Background Pancreatic cancers (PCs) are often detected late, limiting patient prognosis. Early detection and accurate diagnosis, especially for small PCs, are thus crucial. This study investigated the use of endoscopic ultrasound elastogra…
View article: Fusobacterium is enriched on the surface and surrounding duodenal mucosa of ampullary carcinoma
Fusobacterium is enriched on the surface and surrounding duodenal mucosa of ampullary carcinoma Open
Background and Aims: In colorectal cancer, adenomas develop into carcinomas through the adenoma–carcinoma sequence, which may be triggered by intestinal adherent microbial communities, including Fusobacterium. In this study, we aimed to ex…
View article: Abdominal pain accompanied by elevated serum inflammatory markers and biliary enzymes for diagnosing immune checkpoint inhibitor-induced sclerosing cholangitis
Abdominal pain accompanied by elevated serum inflammatory markers and biliary enzymes for diagnosing immune checkpoint inhibitor-induced sclerosing cholangitis Open
Background: Immune-related sclerosing cholangitis (irSC) is relatively rare and its clinical characteristics are not well known. In this study, we aimed to summarize the clinical features of irSC. Methods: Clinical data were collected retr…