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Endoscopic ultrasound

Stefano Francesco Crinò, Mirko D'Onofrio, Laura Bernardoni, Luca Frulloni, Michele Iannelli, Giuseppe Malleo, Salvatore Paiella, Alberto Larghi, Armando Gabbrielli
BACKGROUND AND AIMS: Endoscopic ultrasound-guided radiofrequency ablation (EUS-RFA) is a promising technique for the treatment of pancreatic neoplasm. We evaluated the feasibility, safety, and technical success of pancreatic EUS-RFA performed in a single center. METHODS: 9 consecutive patients (8 with pancreatic adenocarcinoma and 1 with renal cancer metastasis) were referred for EUS-RFA between November 2016 and July 2017. EUS-RFA was performed using 18-gauge internally cooled electrode with a 5 or 10 mm exposed tip...
March 2018: Journal of Gastrointestinal and Liver Diseases: JGLD
Pablo Cortegoso Valdivia, Mauro Bruno, Silvia Gaia, Giorgio M Saracco, Claudio DE Angelis
We report a rare case of gastric fistulization in a patient with main-duct (MD) intraductal papillary mucinous neoplasm (IPMN). Fistulization to adjacent organs is a rare complication of this disease, mainly affecting the duodenum; the fact that the stomach was the only organ involved makes this case even more peculiar. The diagnosis of the fistula was made after examination with Endoscopic Ultrasound (EUS), since a previous computed tomography (CT) scan wasn't able to detect it.
March 16, 2018: Minerva Gastroenterologica e Dietologica
Yuki Tanisaka, Shomei Ryozawa, Masanori Kobayashi, Maiko Harada, Tsutomu Kobatake, Kumiko Omiya, Hirotoshi Iwano, Shin Arai, Kouichi Nonaka, Yumi Mashimo
Lymphadenopathy may be difficult to diagnose using imaging results alone. Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) may help to diagnose and determine the appropriate management of lymphadenopathy. EUS-FNA has been used as a safe and less invasive method for obtaining pathologic specimens from extraluminal lesions using endoscopic ultrasound. The present study evaluated the usefulness of EUS-FNA for lymphadenopathy. Between July 2013 and December 2016, 72 patients undergoing EUS-FNA for lymphadenopathy that could not be diagnosed solely using imaging were included...
April 2018: Oncology Letters
Florian Friedmacher, Eric Colhoun, Prem Puri
PURPOSE: Endoscopic injection of dextranomer/hyaluronic is widely acknowledged as first-line treatment of lower grade vesicoureteral reflux. Our objective was to demonstrate its long-term efficacy and safety in eradicating high-grade reflux. MATERIALS AND METHODS: Eight-hundred-fifty-one children (518 girls, 333 boys), median age 2.3 years (2 months-13.7 years), underwent endoscopic correction of high-grade vesicoureteral reflux using dextranomer/hyaluronic acid...
March 15, 2018: Journal of Urology
Alessandra Di Giovanni, Lucia Casarella, Marina Coppola, Domenico Iuzzolino, Marianna Rasile, Mario Malzoni
STUDY OBJECTIVE: To assess sensitivity and accuracy of combined transvaginal/transabdominal ultrasonography for evaluation of deep infiltrating bowel endometriosis nodules measured after surgery. DESIGN: A prospective study (Canadian Task Force classification II.1). SETTING: A Center for Advanced Endoscopic Gynecologic Surgery from January 2014 to December 2016. PATIENTS: All women undergoing laparoscopic surgery and scheduled for segmental resection for clinically suspected bowel endometriosis...
March 12, 2018: Journal of Minimally Invasive Gynecology
Sameen Khalid, Aamer Abbass, Eric Nellis, Shashin Shah, Hiral Shah
Pancreatic pseudocysts and walled-off pancreatic necrosis arise as a complication of pancreatitis. Multiple fluid collections are seen in 5-20% of the patients who have walled-off peripancreatic fluid collections. There is a paucity of data regarding the role of endoscopic transmural drainage in the management of multiple pancreatic fluid collections. In this case report, we present the case of a 72-year-old male with three walled-off pancreatic fluid collections in the setting of acute necrotizing pancreatitis...
January 9, 2018: Curēus
Min Wang, Feng Gao, Xiaoqi Wang, Yanqing Liu, Ruoyun Ji, Lizhuo Cang, Yu Shi
BACKGROUND: Early detection and classification of chronic pancreatitis (CP) are both important and challenging. PURPOSE: To investigate the diagnostic performance of MR elastography (MRE) and T1 mapping of the pancreas for different stages of CP. STUDY TYPE: Retrospective. SUBJECTS: Clinical and imaging records of 81 patients (from 5/2015 to 7/2017) with suspected CP were analyzed. Patients were categorized into the normal control (n = 35), mild CP (n = 30), and moderate/severe CP groups (n = 16) according to the Cambridge Classification based on concordant endoscopic retrograde cholangiopancreatography or ultrasound endoscopy findings...
March 14, 2018: Journal of Magnetic Resonance Imaging: JMRI
Uayporn Kaosombatwattana, Yoshiki Hirooka, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Hiroki Suhara, Hidemi Goto
Endoscopic ultrasound is increasingly being used for evaluation of pancreatic diseases and pancreatic tumors. Among various pancreatic cystic lesions, cystic degeneration of pancreatic neuroendocrine neoplasm is of the challenge in making diagnosis. Although unique characteristic of each type of pancreatic cystic lesions has been proposed abundantly, typical morphology of cystic degeneration of pancreatic neuroendocrine neoplasm is still unclear. We, herein, reported a case of 66-year-old woman who was incidentally found to have a cystic lesion in the tail of pancreas upon screening transabdominal ultrasonography...
March 13, 2018: Clinical Journal of Gastroenterology
Nadim Mahmud, Kirk J Wangensteen
Prostate cancer is commonly diagnosed by using a transrectal ultrasound (TRUS)-guided biopsy. Although this procedure is usually well tolerated, rarely it may be complicated by massive rectal bleeding. We report a case of a 77-year-old male who underwent a TRUS biopsy and subsequently developed recurrent episodes of rectal bleeding with syncope and anemia requiring the transfusion of multiple units of blood. A sigmoidoscopy revealed the source of the bleeding: a large hemorrhoid on the anterior wall of the rectum with an overlying ulceration...
February 2018: Annals of Coloproctology
Jin Ho Choi, Sang Hyub Lee, Young Hoon Choi, Jinwoo Kang, Woo Hyun Paik, Dong-Won Ahn, Ji Kon Ryu, Yong-Tae Kim
Background: Endoscopic ultrasound-guided ethanol ablation (EUS-EA) is a recently introduced treatment for pancreatic cystic lesions (PCLs). However, clinical benefits such as survival gain and maintenance of quality of life (QOL) have not been fully established. The aim of this study was to evaluate the clinical benefits of EUS-EA compared with the natural course (NC) of PCLs. Methods: This retrospective comparative study of patients with PCLs investigated an EUS-EA group ( n = 118) and an NC group ( n = 428)...
2018: Therapeutic Advances in Gastroenterology
Ji Young Bang, Udayakumar Navaneethan, Muhammad K Hasan, Robert Hawes, Shyam Varadarajulu
BACKGROUND & AIMS: Outcomes of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) evaluation vary with technique, needles, and methods of specimen evaluation. We performed a direct comparison of diagnostic yields of EUS-FNA samples collected using different gauge needles (22- vs 25-gauge), with or without suction. METHODS: We performed a randomized controlled study of 352 patients with suspected pancreatic masses, referred for EUS-FNA at a tertiary referral center...
March 10, 2018: Clinical Gastroenterology and Hepatology
María Victoria Alvarez-Sánchez, O B Luna, I Oria, K Marchut, F Fumex, G Singier, A Salgado, B Napoléon
BACKGROUND: It has been suggested that EUS-BD may be a feasible and safer alternative to percutaneous transhepatic biliary drainage (PTBD) after failed ERCP in patients with ascites. To date, no study has specifically evaluated the performance of EUS-BD in this context. METHODS: Retrospective analysis was done for patients with and without ascites who underwent EUS-BD for malignant biliary obstruction after failed ERCP between July 2010 and September 2014. Complications and technical and clinical successes between the two groups were compared...
March 12, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
Vincent P Groot, Sameer S Thakker, Georgios Gemenetzis, Michaël Noë, Ammar A Javed, Richard A Burkhart, Behnoud B Noveiry, John L Cameron, Matthew J Weiss, Christopher J VandenBussche, Elliot K Fishman, Ralph H Hruban, Christopher L Wolfgang, Anne Marie Lennon, Jin He
BACKGROUND: Lymphoepithelial cysts (LECs) are rare pancreatic cystic lesions. Since LECs are benign, preoperative diagnosis is important to differentiate from a cystic neoplasm and avoid unnecessary surgery. The aim of this study was to identify clinical, radiographic and cytopathologic features associated with LECs. METHODS: A retrospective review was performed of patients diagnosed with LEC between 1995 and 2017 at our hospital. Clinicopathologic and radiographic imaging features were documented...
March 9, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
Shin Saito, Chao Yan, Hisashi Fukuda, Yoshinori Hosoya, Shiro Matsumoto, Daisuke Matsubara, Joji Kitayama, Alan Kawarai Lefor, Naohiro Sata
INTRODUCTION: Gastric leiomyomas are benign mesenchymal tumors, comprising about 2.5% of gastric neoplasms, which can be difficult to differentiate from gastrointestinal stromal tumors which have malignant potential. Granular cell tumors in the abdominal wall are also rare. Since mesenchymal tumors are difficult to diagnose by imaging, further studies are needed to establish the diagnosis. PRESENTATION OF CASE: A 60-year-old asymptomatic woman underwent routine upper endoscopy and was found to have a gastric submucosal lesion...
March 6, 2018: International Journal of Surgery Case Reports
Yen-I Chen, Theodore James, Amol Agarwal, Todd H Baron, Takao Itoi, Rastislav Kunda, Jose Nieto, Majidah Bukhari, Olaya Brewer Gutierrez, Omid Sanaei, Robert Moran, Lea Fayad, Mouen A Khashab
Background and study aims:  Endoscopic ultrasound-guided gastroenterostomy (EUS-GE) in malignant gastric outlet obstruction (GOO) appears to be promising; however, its role in benign GOO is unclear. The aim of this study was to ascertain the clinical efficacy and safety of EUS-GE in benign GOO. Patients and methods : This was an international retrospective series involving 5 tertiary centers. Consecutive patients who underwent EUS-GE between 1/2013 - 10/2016 for benign GOO were included...
March 2018: Endoscopy International Open
David L Diehl, Shaffer R S Mok, Harshit S Khara, Amitpal S Johal, H Lester Kirchner, Fan Lin
Background and study aims:  Endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) or biopsy (FNB) is an indispensable diagnostic tool. Improvements in needling technique have led to increasing tissue yields. Blood clogging of the needle can cause difficulties with specimen handling and stylet passage, which improves when the needle is primed with heparin before use. However, the effect of heparin on cytology, histology or immunochemistry (IHC) of FNA and FNB specimens is unknown...
March 2018: Endoscopy International Open
Michael J Levy, Benjamin R Kipp, Dragana Milosevic, Amber R Schneider, Jesse S Voss, Rajeswari Avula, Sarah E Kerr, Michael R Henry, Edward Highsmith, Minetta C Liu, Ferga C Gleeson
BACKGROUND & AIMS: Cellular and nuclear material from tumors disseminates into the bloodstream (tumoremia), but it is not clear whether medical procedures cause release of this material or contribute to formation of metastases. We performed a prospective study of blood samples from patients with pancreatic adenocarcinoma (PDAC) to determine whether endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) associates with markers of tumoremia. METHODS: We obtained peripheral blood from 104 patients (35 with PDAC) before and after EUS-FNA of primary tumors; blood samples from 69 healthy individuals were used as controls...
March 8, 2018: Clinical Gastroenterology and Hepatology
Reiko Ashida, Ken-Ichi Kawabata, Takashi Maruoka, Kazuhiro Yamanaka, Hideki Yoshikawa, Tatsuya Ioka, Kazuhiro Katayama, Sachiko Tanaka
Bubble-seeded histotripsy (BSH) is a newly developed ultrasound-based mechanical fractionation technique using locally injected phase change nanodroplets (PCNDs) as sensitizers. The PCNDs are a kind of microbubble precursor compressed into submicron-size in droplets form, which were designed for local administration and will expand into microbubbles under ultrasound exposure. Previously, we reported that a combination of PCNDs injection and pulsed high-intensity focused ultrasound (pHIFU) with an acoustic intensity as low as about 3 kW/cm2 at 1...
March 7, 2018: Ultrasound in Medicine & Biology
Malay Sharma, Piyush Somani
Ascaris is a common cause of acute pancreatitis in developing countries. The mechanism of ascariasis induced acute pancreatitis include obstruction of papilla of Vater, invasion of common bile duct, or pancreatic duct (PD). PD ascariasis is a rare diagnosis. Endoscopic ultrasound is a highly accurate method to diagnose the aetiology of idiopathic acute pancreatitis with reference to biliary and pancreatic ascariasis. Treatment usually consist of endoscopic removal of worms with dormia basket or forceps on side viewing endoscopy...
March 6, 2018: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
Valerie Gausman, Pujan Kandel, Priscilla A Van Riet, Maria Moris, Maia Kayal, Catherine Do, John M Poneros, Amrita Sethi, Frank G Gress, Beth A Schrope, Lyndon Luk, Elizabeth Hecht, Manol Jovani, Marco J Bruno, Djuna L Cahen, Michael B Wallace, Tamas A Gonda
OBJECTIVES: Our aim was to identify baseline characteristics associated with disease progression and malignant transformation in low-risk suspected intraductal papillary mucinous neoplasms (IPMNs). METHODS: This is a retrospective cohort study of prospectively maintained databases of pancreatic cysts at 3 international, academic institutions. Five hundred fifty-nine adult patients with clinically suspected asymptomatic IPMN evaluated by radiologic studies or endoscopic ultrasound between 2003 and 2013 without worrisome features and under surveillance for 12 months or longer were included...
April 2018: Pancreas
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