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World Journal of Gastrointestinal Endoscopy

Lei Lu, Hang-Bin Jin, Jian-Feng Yang, Xiao-Feng Zhang
Endoscopic pancreatic stenting has been widely used in various pancreatic conditions. With the increasing use of pancreatic stents, many complications have been recognized. Especially, proximal stent migration presents a serious condition because of subsequent pancreatic duct obstruction, impaired drainage, ductal dilation, and pancreatic pain. Although endoscopic retrieval is the preferred treatment for proximally migrated pancreatic stents, it is not always successful, resulting in conversion to surgery. To date, endoscopic ultrasound-guided pancreatic duct drainage (EUS-PD) has never been reported for treatment of pancreatic duct obstruction caused by proximally migrated pancreatic stent...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Masaki Murata, Mitsushige Sugimoto, Hiromitsu Ban, Taketo Otsuka, Toshiro Nakata, Masahide Fukuda, Osamu Inatomi, Shigeki Bamba, Ryoji Kushima, Akira Andoh
Cap polyposis is a rare intestinal disorder. Characteristic endoscopic findings are multiple inflammatory polypoid lesions covered by caps of fibrous purulent exudate. Although a specific treatment has not been established, some studies have suggested that eradication therapy for Helicobacter pylori (H. pylori) is effective. We report a case of a 20-year-old man with cap polyposis presenting with hematochezia. Colonoscopy showed the erythematous polyps with white caps from the sigmoid colon to rectum. Histopathological findings revealed elongated, tortuous, branched crypts lined by hyperplastic epithelium with a mild degree of fibromusculosis in the lamina propria...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Seifeldin Hakim, Srinivas R Rami Reddy, Mihaela Batke, Gregg Polidori, Mitchell S Cappell
The diagnosis and opportunity for endoscopic therapy of gastric or duodenal lesions may be missed at esophagogastroduodenoscopy (EGD) because of technical difficulty in intubating at EGD the postoperatively excluded stomach and proximal duodenum in patients status post Roux-en-Y gastric bypass (RYGB). Two cases are reported of acute upper gastrointestinal bleeding 10 or 11 years status post RYGB, performed for morbid obesity, in which the EGD was non-diagnostic due to failure to intubate the excluded stomach and proximal duodenum, whereas subsequent push enteroscopy or single balloon enteroscopy were diagnostic and revealed 4-cm-wide or 5-mm-wide bulbar ulcers and even permitted application of endoscopic therapy...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Takashi Uchiyama, Takuma Higurashi, Hitoshi Kuriyama, Yoshinobu Kondo, Yasuo Hata, Atsushi Nakajima
AIM: To evaluate the effectiveness of oral esomeprazole (EPZ) vs injectable omeprazole (OPZ) therapy to prevent hemorrhage after endoscopic submucosal dissection (ESD). METHODS: A case-control study was conducted using a quasi-randomized analysis with propensity score matching. A total of 258 patients were enrolled in this study. Patients were treated with either oral EPZ or injectable OPZ. The endpoint was the incidence of hemorrhage after ESD. RESULTS: Data of 71 subjects treated with oral EPZ and 172 subjects treated with injectable OPZ were analyzed...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Tanyaporn Chantarojanasiri, Pradermchai Kongkam
Elastography is one of technologies assisting diagnosis of solid pancreatic lesions (SPL). This technology has been previously used for measuring the stiffness of various organs based on a principle of "harder the lesions, higher chance for malignancy". Two elastography techniques; strain and shear wave elastography, are available. For endoscopic ultrasound (EUS), only the former is existing. To interpret results of EUS elastography for SPL, 3 methods are used: (1) pattern recognition; (2) strain ratio; and (3) strain histogram...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Scott R Friedberg, Jesse Lachter
Endoscopic ultrasound (EUS), developed in the 1980s, was initially predominantly used for guidance of fine needle aspiration; the last 25 years, however, have witnessed a major expansion of EUS to various applications, both diagnostic and therapeutic. EUS has become much more than a tool to differentiate different tissue densities; tissue can now be characterized in great detail using modalities such as elastography; the extent of tissue vascularity can now be learned with increasing precision. Using these various techniques, targets for biopsy can be precisely pinpointed...
October 16, 2017: World Journal of Gastrointestinal Endoscopy
Xiao-Qin Liu, Min Zhou, Wen-Xin Shi, Yi-Ying Qi, Hui Liu, Bin Li, Hong-Wei Xu
In the report, we describe a case of refractory benign esophageal strictures from esophageal cancer after an operation for the placement of three partially covered self-expanding metal stents (SEMSs), which were all embedded in the esophageal wall. Using the stent-in-stent technique, the three embedded SEMSs were successfully removed without significant complications. To the best of our knowledge, few cases of the successful removal of multiple embedded esophageal SEMSs have been reported in the literature...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Si-Jie Hao, Wei-Jia Xu, Yang Di, Lie Yao, Hang He, Feng Yang, Chen Jin, Liang Zhong, De-Liang Fu
AIM: To compare efficacy and safety of endoscopic ultrasound (EUS)-guided and surgical drainage in pancreatic fluid collection management. METHODS: Data were obtained retrospectively from January 2012 to December 2016. Patients with pancreatic fluid collection were performed EUS-guided or surgical procedure. Main outcome measures including clinical efficiency, complication, duration of procedures, hospital stay and cost were analyzed. RESULTS: Thirty-six patients were enrolled into the study, including 14 in endoscopic group while 22 in the surgical group...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Kristen Suchniak-Mussari, Charles E Dye, Matthew T Moyer, Abraham Mathew, Thomas J McGarrity, Eileen M Gagliardi, Jennifer L Maranki, John M Levenick
AIM: To evaluate the efficacy and safety of liquid nitrogen cryotherapy as a primary or rescue treatment for BE, with and without dysplasia, or intramucosal adenocarcinoma (IMC). METHODS: This was a retrospective, single-center study carried out in a tertiary care center including 45 patients with BE who was treatment-naïve or who had persistent intestinal metaplasia (IM), dysplasia, or IMC despite prior therapy. Barrett's mucosa was resected via EMR when clinically appropriate, then patients underwent cryotherapy until eradication or until deemed to have failed treatment...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Alexander R Robertson, Nicholas A Kennedy, James A Robertson, Nicholas I Church, Colin L Noble
AIM: To compare colonoscopy quality with nitrous oxide gas (Entonox(®)) against intravenous conscious sedation using midazolam plus opioid. METHODS: A retrospective analysis was performed on a prospectively held database of 18608 colonoscopies carried out in Lothian health board hospitals between July 2013 and January 2016. The quality of colonoscopies performed with Entonox was compared to intravenous conscious sedation (abbreviated in this article as IVM). Furthermore, the quality of colonoscopies performed with an unmedicated group was compared to IVM...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Yang Wu, Alexander Mullin, Alina Stoita
AIM: To compared individuals with serrated polyposis syndrome (SPS) to those with sessile serrated adenoma (SSA) and adenomas in the setting of endoscopists with high adenoma detection rates at a secondary and tertiary academic centre. METHODS: Retrospectively we collated the clinical, endoscopic and histological features of all patients with SPS at St Vincent's public and private hospital in the last 3 years. Patients were identified by searching through 2 pathology databases...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Michael L DeSimone, Akwi W Asombang, Tyler M Berzin
For patients recovering from acute pancreatitis, the development of a pancreatic fluid collection (PFC) predicts a more complex course of recovery, and introduces difficult management decisions with regard to when, whether, and how the collection should be drained. Most PFCs resolve spontaneously and drainage is indicated only in pseudocysts and walled-off pancreatic necrosis when the collections are causing symptoms and/or local complications such as biliary obstruction. Historical approaches to PFC drainage have included surgical (open or laparoscopic cystgastrostomy or pancreatic debridement), and the placement of percutaneous drains...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Joseph J Kim, James Y Lim, Scott Q Nguyen
Gastrointestinal stromal tumors (GISTs) are rare tumors of the GI tract. Surgical resection remains the mainstay of non-metastatic disease. However, the ability to provide an adequate oncologic resection using laparoscopic surgery is still an area of debate. This is a thorough review of the current literature, looking particularly at the use of laparoscopic surgery for larger GISTs and the long-term oncologic outcomes compared to the results of open surgery. Laparoscopic resections provide an adequate oncologic result for GISTs of all sizes, including those greater than 5 cm in size...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Yuto Shimamura, Takashi Ikeya, Norman Marcon, Jeffrey D Mosko
Esophageal cancer is one of the leading causes of cancer-related death and is associated with high morbidity and mortality. It carries a poor prognosis as more than half of patients present with advanced and unresectable disease. One contributing factor is the increased risk of lymph node metastases at early stages of disease. As such, it is essential to detect squamous cell neoplasia (SCN) at an early stage. In order to risk stratify lesions, endoscopists must be able to perform image enhanced endoscopy including magnification and Lugol's chromoendoscopy...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Evangelos P Misiakos, George Bagias, Theodore Liakakos, Anastasios Machairas
Since early 1990's, when it was inaugurally introduced, laparoscopic splenectomy has been performed with excellent results in terms of intraoperative and postoperative complications. Nowadays laparoscopic splenectomy is the approach of choice for both benign and malignant diseases of the spleen. However some contraindications still apply. The evolution of the technology has allowed though, cases which were considered to be absolute contraindications for performing a minimal invasive procedure to be treated with modified laparoscopic approaches...
September 16, 2017: World Journal of Gastrointestinal Endoscopy
Shefali Agrawal, Sandeep Vohra
Presence of Courvoisier's or double duct signs in a jaundiced patient is suggestive of malignant obstruction of the pancreaticobiliary ductal system. The oncologic impact of the simultaneous occurrence of these signs on the survival of patients with periampullary cancer is unknown. We report a case of obstructive jaundice secondary to an ampullary cancer demonstrating the Courvoisier's sign on clinical examination and a double duct sign on imaging. The patient underwent a pancreaticoduodenectomy which confirmed an ampullary adenocarcinoma...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
Kenji Yorita, Takehiro Iwasaki, Kunihisa Uchita, Naoto Kuroda, Koji Kojima, Shinichi Iwamura, Yutaka Tsutsumi, Akinobu Ohno, Hiroaki Kataoka
Russell body gastritis (RBG) is an unusual type of chronic gastritis characterized by marked infiltration of Mott cells, which are plasma cells filled with spherical eosinophilic bodies referred to as Russell bodies. It was initially thought that Helicobacter pylori (H. pylori) infection was a major cause of RBG and that the infiltrating Mott cells were polyphenotypic; however, a number of cases of RBG without H. pylori infection or with monoclonal Mott cells have been reported. Thus, diagnostic difficulty exists in distinguishing RBG with monoclonal Mott cells from malignant lymphoma...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
Olivier Rouquette, Armando Abergel, Aurélien Mulliez, Laurent Poincloux
AIM: To investigate the outcome of flexible endoscopic myotomy performed with the Hook knife in patients with symptomatic Zenker's diverticulum (ZD). METHODS: All consecutive patients treated for ZD at our institution between 7/2012 and 12/2016 were included. The flexible endoscopic soft diverticuloscope-assisted technique with endoclips placement and Hook knife myotomy were performed in all patients. Here we report a retrospective review of prospectively collected data...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
Mitchell A Izower, Merajur Rahman, Ernesto P Molmenti, Madhu C Bhaskaran, Viren G Amin, Sundas Khan, Keith Sultan
AIM: To describe all abnormal histological findings and their associated endoscopic presentation in patients using mycophenolate mofetil (MMF). METHODS: A retrospective review of all individuals prescribed MMF within 6 mo of a colonoscopy or flexible sigmoidoscopy between 07/2009 and 09/2015 was performed within Northwell Health system. Records were analyzed for age, gender, procedure indication, MMF indication, and both gross and microscopic findings. Only reports with abnormal histology were included...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
Takahisa Fujikawa, Hiroshi Kawamoto, Yuichiro Kawamura, Norio Emoto, Yusuke Sakamoto, Akira Tanaka
AIM: To assess the impact of laparoscopic liver resection (LLR) on surgical blood loss (SBL), especially in patients with antithrombotics for thromboembolic risks. METHODS: Consecutive 258 patients receiving liver resection at our institution between 2010 and 2016 were retrospectively reviewed. Preoperative antithrombotic therapy (ATT; antiplatelets and/or anticoagulation) was regularly used in 100 patients (ATT group, 38.8%) whereas not used in 158 (non-ATT group, 61...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
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