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https://www.readbyqxmd.com/read/28230242/routine-port-site-excision-in-incidentally-discovered-gallbladder-cancer-is-not-associated-with-improved-survival-a-multi-institution-analysis-from-the-us-extrahepatic-biliary-malignancy-consortium
#1
Cecilia G Ethun, Lauren M Postlewait, Nina Le, Timothy M Pawlik, George Poultsides, Thuy Tran, Kamran Idrees, Chelsea A Isom, Ryan C Fields, Bradley A Krasnick, Sharon M Weber, Ahmed Salem, Robert C G Martin, Charles R Scoggins, Perry Shen, Harveshp D Mogal, Carl Schmidt, Eliza Beal, Ioannis Hatzaras, Rivfka Shenoy, Kenneth Cardona, Shishir K Maithel
BACKGROUND: Current data on the utility of port-site excision (PSE) during re-resection for incidentally discovered gallbladder cancer (IGBC) in the US are conflicting and limited to single-institution series. METHODS: All patients with IGBC who underwent curative re-resection at 10 institutions from 2000 to 2015 were included. Patients with and without PSE were compared. Primary outcome was overall survival (OS). RESULTS: Of 449 pts with GBC, 266 were incidentally discovered, of which 193(73%) underwent curative re-resection and had port-site data; 47 pts(24%) underwent PSE, 146(76%) did not...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28229504/excretion-of-necrotic-hepatocellular-carcinoma-tissues-into-the-biliary-system-after-transcatheter-arterial-chemoembolization
#2
Shiro Miyayama, Masashi Yamashiro, Keiichi Nagai, Akira Yokka, Miki Yoshida, Naoko Sakuragawa, Taku Sanada, Kazuo Notsumata
AIM: To evaluate the incidence and condition of necrotic tumor excretion into the biliary system in patients with hepatocellular carcinoma (HCC) >5 cm treated with conventional transcatheter arterial chemoembolization (TACE). METHODS: Eighty-three patients who underwent TACE for newly developed HCC >5 cm without an intraductal tumor thrombus and were followed-up by CT for longer than 6 months were eligible. According to the location, the maximum tumors were divided into central (in contact with the left or right hepatic duct, n = 39) or peripheral (not in contact with them, n = 44)...
February 23, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28229077/surgical-therapy-of-cholangiocarcinoma
#3
REVIEW
Arnold Radtke, Alfred Königsrainer
BACKGROUND: The majority of patients with cholangiocarcinoma present with advanced disease that is often challenging to diagnose and to treat. The optimal preoperative evaluation requires a coordinated multidisciplinary approach. Surgical resection is the mainstay of therapy. METHODS: This systematic review delineates surgical treatment strategies for cholangiocarcinoma in general as well as special considerations concerning the particular tumor localization. A literature search (see keywords) was conducted using PubMed and publications between 1990 and 2016 regarding resectable and advanced cholangiocarcinoma were reviewed...
December 2016: Visceral Medicine
https://www.readbyqxmd.com/read/28224034/biliary-mucinous-cystic-neoplasm-a-case-report-and-review-of-the-literature
#4
Mohammad Taghi Safari, Shabnam Shahrokh, Mohammad Bagher Miri, Forough Foroughi, Amir Sadeghi
Hepatobiliary cystadenomas (HBC) is a rare neoplasm which comprising less than one percent of liver cystic neoplasms. Although it's known as a benign tumor, but they have a potential for neoplastic transformation. Making a proper diagnosis and ruling out of other differential diagnosis is important because of different treatment. In the present study, we described a case of HBC manifested as idiopathic dominant biliary stricture in common hepatic duct (CHD), on the basis of spiral CT scan and MRI, and elevated CA19-9...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28223426/resistance-mechanism-against-trastuzumab-in-her2-positive-cancer-cells-and-its-negation-by-src-inhibition
#5
Mei Hua Jin, Ah-Rong Nam, Ji Eun Park, Ju-Hee Bang, Yung-Jue Bang, Do-Youn Oh
Trastuzumab in combination with chemotherapy is the standard of care for patients with human epidermal growth factor receptor 2 (HER2)-positive breast and gastric cancers. Several resistance mechanisms against anti-HER2 therapy have been proposed. Src activation has been suggested to be responsible for the resistance of HER2-positive breast cancer. In our study, we generated four trastuzumab-resistant (HR) cancer cell lines from HER2-amplified gastric and biliary tract cancer cell lines (SNU-216, NCI-N87, SNU-2670, and SNU-2773)...
February 21, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28217239/diagnostic-accuracy-of-gd-eob-dtpa-for-detection-hepatocellular-carcinoma-hcc-a-comparative-study-with-dynamic-contrast-enhanced-magnetic-resonance-imaging-mri-and-dynamic-contrast-enhanced-computed-tomography-ct
#6
Massimo Imbriaco, Serena De Luca, Milena Coppola, Mario Fusari, Michele Klain, Marta Puglia, Pierpaolo Mainenti, Raffaele Liuzzi, Simone Maurea
BACKGROUND: To compare the diagnostic accuracy of hepato-biliary (HB) phase with gadolinium-ethoxybenzyl-diethylenetriamine-pentaacetic acid (Gd-EOB-DTPA) with dynamic contrast-enhanced MR imaging (DCEMRI) and contrast-enhanced CT (DCECT) for hepatocellular carcinoma (HCC) detection. MATERIAL/METHODS: 73 patients underwent DCECT and Gd-EOB-DTPA-3T-MR. Lesions were classified using a five-point confidence scale. Reference standard was a combination of pathological evidence and tumor growth at follow-up CT/MR at 12 months...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28216138/clinicopathologic-characteristics-of-young-patients-with-gallbladder-cancer
#7
Sung-Im Do, Hyoun Wook Lee, Jin Hee Sohn, Kyungeun Kim
Gallbladder cancer is the most common biliary tract cancer and the fifth most common cancer of the digestive system. However, the clinicopathologic features of gallbladder cancer in young Korean patients have not been studied. This study included 101 consecutive cases of gallbladder cancer that underwent cholecystectomy at Kangbuk Samsung Hospital from December 1990 to March 2011. The patients were divided into two groups by age at initial diagnosis of gallbladder cancer: a young patient group aged less than 45 years and an old patient group aged 45 or older...
December 29, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214200/concurrent-met-copy-number-gain-and-kras-mutation-is-a-poor-prognostic-factor-in-pancreatobiliary-subtype-ampullary-cancers
#8
Mi Jung Kwon, Jeong Won Kim, Jang Yong Jeon, Eun Sook Nam, Seong Jin Cho, Hye-Rim Park, Soo Kee Min, Jinwon Seo, Kyueng-Whan Min, Ji-Young Choe, Hye Kyung Lee
Hepatocyte growth factor (HGF) and MET are candidates of targeted therapies for cancer patients. Although MET and HGF are commonly expressed in biliary tract cancers, their expression and gene copy number status and their association with KRAS mutations have not been investigated in pancreatobiliary-type ampullary adenocarcinomas (A-ACs), one of the aggressive periampullary cancers. MET and HGF expressions and MET copy number status were examined by performing immunohistochemistry (IHC) and silver in situ hybridization (SISH) in 62 surgically resected, paraffin-embedded tumors, respectively...
January 11, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28212293/targeting-angiogenesis-in-biliary-tract-cancers-an-open-option
#9
REVIEW
Valeria Simone, Oronzo Brunetti, Luigi Lupo, Mario Testini, Eugenio Maiorano, Michele Simone, Vito Longo, Christian Rolfo, Marc Peeters, Aldo Scarpa, Amalia Azzariti, Antonio Russo, Domenico Ribatti, Nicola Silvestris
Biliary tract cancers (BTCs) are characterized by a bad prognosis and the armamentarium of drugs for their treatment is very poor. Although the inflammatory status of biliary tract represents the first step in the cancerogenesis, the microenvironment also plays a key role in the pathogenesis of BTCs, promoting tumor angiogenesis, invasion and metastasis. Several molecules, such as vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF), are involved in the angiogenesis process and their expression on tumor samples has been explored as prognostic marker in both cholangiocarcinoma and gallbladder cancer...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28209950/-clinico-pathological-factors-and-prognosis-scale-for-portal-cholangiocarcinoma
#10
Yu O Zharikov, Yu A Kovalenko, A A Olifir, D V Kalinin, A V Czhao
INTRODUCTION: The objective of this study was to derive a prognostic scale to predict overall survival (OS) after a curative resection of perihilar cholangiocarcinoma (PHC). MATERIAL AND METHODS: The data of 55 patients with portal cholangiocarcinoma were analysed. Patients were treated at the A.V. Vishnevsky Institute of Surgery from 2011 to 2015. Surgical treatment after biliary decompression was performed in 37 (67.3%) patients. In the long-term period we observed 36 (97...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28209556/palliation-of-malignant-gastroduodenal-obstruction-fluoroscopic-metallic-stent-placement-with-different-approaches
#11
Elif Bulut, Türkmen Çiftçi, Okan Akhan, Devrim Akıncı
PURPOSE: We aimed to evaluate the safety and effectiveness of fluoroscopy-guided gastroduodenal metallic stent placement with different approaches in malignant obstruction. METHODS: We retrospectively assessed 53 patients (33 men and 20 women; mean age, 58.7±15 years) who underwent stent placement between February 2004 and April 2014. All patients had unresectable tumors. The most common causes of obstruction were gastric (38%) and pancreatic cancers (36%). Uncovered self-expandable metallic stents (SEMS) were placed under fluoroscopic guidance...
February 17, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28209258/biliary-tract-external-drainage-protects-against-multiple-organs-injuries-of-severe-acute-pancreatitis-rats-via-heme-oxygenase-1-upregulation
#12
Jin-Long Wang, Ying Chen, Xiao-Qing Song, Mei-Ling Lu, Bing Zhao, Li Ma, Er-Zhen Chen, En-Qiang Mao
OBJECTIVE: To investigate the effect of biliary tract external drainage (BTED) on severe acute pancreatitis (SAP) in rats and the relationship with heme oxygenase-1 (HO-1) pathway. METHODS: Thirty SD rats weighing 250-300 g were randomly assigned into five groups (n = 6): sham surgery (SS) group, SAP group, SAP + BTED group, SAP + zinc protoporphyrin IX (ZnPP) group, SAP + BTED + ZnPP group. The SAP model was induced via retrograde injection of 4% sodium taurocholate (1 mL/kg) into biliopancreatic duct through duodenal wall...
February 1, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28208003/partially-covered-metal-stents-may-not-prolong-stent-patency-compared-to-uncovered-stents-in-unresectable-malignant-distal-biliary-obstruction
#13
Jae Yun Kim, Gyu Bong Ko, Tae Hoon Lee, Sang-Heum Park, Yun Nah Lee, Young Sin Cho, Yunho Jung, Il-Kwun Chung, Hyun Jong Choi, Sang-Woo Cha, Jong Ho Moon, Young Deok Cho, Sun-Joo Kim
Background/Aims: Controversy still exists regarding the benefits of covered self-expandable metal stents (SEMSs) compared to uncovered SEMSs. We aimed to compare the patency and stent-related adverse events of partially covered SEMSs (PC-SEMSs) and uncovered SEMSs in unresectable malignant distal biliary obstruction. Methods: A total of 134 patients who received a PC-SEMS or uncovered SEMS for palliation of unresectable malignant distal biliary obstruction were reviewed retrospectively...
February 17, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28203092/nab-paclitaxel-plus-gemcitabine-for-metastatic-pancreatic-cancer-a-subgroup-analysis-of-the-western-european-cohort-of-the-mpact-trial
#14
Josep Tabernero, Volker Kunzmann, Werner Scheithauer, Michele Reni, Jack Shiansong Li, Stefano Ferrara, Kamel Djazouli
PURPOSE: The global Phase III MPACT trial demonstrated superior efficacy of nab-paclitaxel plus gemcitabine over gemcitabine alone as first-line treatment for metastatic pancreatic cancer. Region was a randomization stratification factor in the MPACT trial. This subgroup analysis of MPACT examined efficacy and safety of patients treated in Western Europe. PATIENTS AND METHODS: Patients received nab-paclitaxel plus gemcitabine or gemcitabine alone as first-line treatment for metastatic pancreatic cancer as previously described...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28183081/management-of-abdominal-drainage-after-hepatic-resection
#15
Yoshihiro Inoue, Yoshiro Imai, Nao Kawaguchi, Fumitoshi Hirokawa, Michihiro Hayashi, Kazuhisa Uchiyama
BACKGROUND: Routine drainage after partial hepatic resection has long been controversial. METHODS: Three hundred and twenty-eight patients who underwent hepatic resections for liver tumors without biliary-enteric and gastrointestinal anastomoses were analyzed using propensity score matching analysis with respect to if and when a prophylactic drain was used and for how long. The criteria for drain placement were established and validated. RESULTS: Our criteria for drain placement were chosen according to postoperative percutaneous abdominal drainage risk factors, organ/space surgical site infections (SSIs), hepatic resection method, intraoperative bile leakage and operative time (≥300 min)...
February 10, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28181704/evaluation-of-the-safety-of-endoscopic-radiofrequency-ablation-for-malignant-biliary-stricture-using-a-digital-peroral-cholangioscope-with-videos
#16
Takeshi Ogura, Saori Onda, Tastsushi Sano, Wataru Takagi, Astushi Okuda, Akira Miyano, Nobu Nishioka, Miyuki Imanishi, Mio Amano, Daisuke Masuda, Kazuhide Higuchi
OBJECTIVES: The clinical impact of catheter based radiofrequency ablation (RFA) under ERCP guidance has been recently reported, however severe adverse events have also been noted. If tumor is not present in the biliary tract, severe adverse events such as perforation or bleeding due to vessel injury around the biliary tract may occur. In addition, the effectiveness of RFA may not be sufficient based solely on radiographic guidance. The aim of this study was to evaluate the actual feasibility of intraductal RFA by peroral cholangioscope (POCS) evaluation before/after RFA...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28179089/a-snare-assisted-peroral-direct-choledochoscopy-and-pancreatoscopy-using-an-ultra-slim-upper-endoscope-a-case-series-study
#17
Yong-Hui Huang, Hong Chang, Wei Yao, Yao-Peng Zhang, Ke Li, Ye Wang
OBJECTIVE: To evaluate the feasibility, effectiveness and safety of a new snare-assisted peroral direct choledochoscopy/pancreatoscopy (PDCPS) technique. METHODS: From November 2014 through December 2016, 20 consecutive patients with indications for PDCPS were enrolled in this observational study. Endoscopic retrograde cholangiography was initially performed using a conventional duodenoscope, and endoscopic papillary balloon dilation was performed. Next, an ultra-slim endoscope was inserted to perform the PDCPS; a snare tightened around the end of the scope's bending section facilitated its entry into the common bile duct (CBD)...
January 20, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28178122/mortality-after-portal-vein-embolization-two-case-reports
#18
Eung Chang Lee, Sang-Jae Park, Sung-Sik Han, Hyeong Min Park, Seung Duk Lee, Seong Hoon Kim, In Joon Lee, Hyun Beom Kim
Portal vein embolization (PVE) is increasingly performed worldwide to reduce the possibility of liver failure after extended hepatectomy, by inducing future liver remnant (FLR) hypertrophy and atrophy of the liver planned for resection. The procedure is known to be very safe and to have few procedure-related complications.In this study, we described 2 elderly patients with Bismuth-Corlette type IV Klatskin tumor who underwent right trisectional PVE involving the embolization of the right portal vein, the left medial sectional portal branch, and caudate portal vein...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28171697/eus-guided-tumor-ablation
#19
REVIEW
Sundeep Lakhtakia, Dong-Wan Seo
Real-time guidance of needle advancement has transformed Endoscopic Ultrasound from a diagnostic to an interventional procedure. EUS guided fine needle puncture has application in various interventional procedures (drainage of pseudocyst, biliary intervention, and injection of drugs). Celiac plexus or ganglion neurolysis for pain control is the major current EUS-guided fine-needle injection procedure. Feasibility and safety to accurately position needle devices and/or inject under real time EUS imaging with precise delivery of interventional agent have expanded the use of EUS to ablate tumor...
February 7, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28168674/clinical-implications-of-biliary-confluence-pattern-for-bismuth-corlette-type-iv-hilar-cholangiocarcinoma-applied-to-hemihepatectomy
#20
Gu-Wei Ji, Fei-Peng Zhu, Ke Wang, Chen-Yu Jiao, Zi-Cheng Shao, Xiang-Cheng Li
BACKGROUND: Since biliary variations are commonly seen, our aims are to clarify these insidious variations and discuss their surgicopathologic implications for Bismuth-Corlette (BC) type IV hilar cholangiocarcinoma (HC) applied to hemihepatectomy. METHODS: Three-dimensional images of patients with distal bile duct obstruction (n = 97) and advanced HC (n = 79) were reconstructed and analyzed retrospectively. Normal biliary confluence pattern was defined as the peripheral segment IV duct (B4) joining the common trunk of segment II (B2) and segment III (B3) ducts to form the left hepatic duct (LHD) that then joined the right hepatic duct (RHD)...
February 6, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
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