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https://www.readbyqxmd.com/read/28701219/excellent-local-control-and-tolerance-profile-after-stereotactic-body-radiotherapy-of-advanced-hepatocellular-carcinoma
#1
Eleni Gkika, Michael Schultheiss, Dominik Bettinger, Lars Maruschke, Hannes Philipp Neeff, Michaela Schulenburg, Sonja Adebahr, Simon Kirste, Ursula Nestle, Robert Thimme, Anca-Ligia Grosu, Thomas Baptist Brunner
BACKGROUND: To evaluate the efficacy and toxicity of stereotactic body radiotherapy (SBRT) in the treatment of advanced hepatocellular carcinoma (HCC). MATERIAL AND METHODS: Patients with large HCCs (median diameter 7 cm, IQR 5-10 cm) with a Child-Turcotte-Pugh (CTP) score A (60%) or B (40%) and Barcelona-Clinic Liver Cancer (BCLC) classification stage B or C were treated with 3 to 12 fractions to allow personalized treatment according to the size of the lesions and the proximity of the lesions to the organs at risk aiming to give high biologically equivalent doses assuming an α/β ratio of 10 Gy for HCC...
July 12, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28692048/increased-expression-of-programmed-cell-death-protein-1-on-nk-cells-inhibits-nk-cell-mediated-anti-tumor-function-and-indicates-poor-prognosis-in-digestive-cancers
#2
Y Liu, Y Cheng, Y Xu, Z Wang, X Du, C Li, J Peng, L Gao, X Liang, C Ma
Abnormal expression of activating/inhibitory receptors leads to natural killer (NK) cells dysfunction in tumor. Here we show that programmed cell death protein 1 (PD-1), a well-known immune checkpoint of T cells, is highly expressed on peripheral and tumor-infiltrating NK cells from patients with digestive cancers including esophageal, liver, colorectal, gastric and biliary cancer. The increased PD-1 expression on NK cells indicates poorer survival in esophageal and liver cancers. Blocking PD-1/PD-L1 signaling markedly enhances cytokines production and degranulation and suppresses apoptosis of NK cells in vitro...
July 10, 2017: Oncogene
https://www.readbyqxmd.com/read/28686650/histopathological-findings-in-colorectal-liver-metastases-after-electrochemotherapy
#3
Gorana Gasljevic, Ibrahim Edhemovic, Maja Cemazar, Erik Brecelj, Eldar M Gadzijev, Maja M Music, Gregor Sersa
Electrochemotherapy of colorectal liver metastases has been proven to be feasible, safe and effective in a phase I/II study. In that study, a specific group of patients underwent two-stage operation, and the detailed histopathological evaluation of the resected tumors is presented here. Regressive changes in electrochemotherapy-treated liver metastases were evaluated after the second operation (in 8-10 weeks) in 7 patients and 13 metastases when the treated metastases were resected. Macroscopic and microscopic changes were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28675369/good-to-know-the-alpps-procedure-embracing-a-new-technique
#4
George-Andrei Popescu, Sorin Tiberiu Alexandrescu, Razvan Tudor Grigorie, Luminiţa Stoica, Cristian Alexandru Apavaloaie, Doina Hrehoreţ
BACKGROUND: Hepatic resection is the only potentially curative treatment for primary liver tumors and hepatic metastases. The most frightening postoperative complication of extensive hepatectomies is liver failure due to insufficient future liver remnant (FLR). The ALPPS technique (Associating Liver Partition and Portal vein Ligation for Staged hepatectomy) effectively increased the resectability of otherwise inoperable liver tumors (primary or secondary malignant liver tumor) by achieving a rapid and an effective hypertrophy of the FLR, which lowers postoperative liver failure risk...
May 2017: Chirurgia
https://www.readbyqxmd.com/read/28671339/role-of-erbb-her-family-of-receptor-tyrosine-kinases-in-cholangiocyte-biology
#5
REVIEW
Anna Pellat, Javier Vaquero, Laura Fouassier
The ErbB/HER family comprises four distinct tyrosine kinase receptors, EGFR/ErbB1/HER1, ErbB2/HER2, ErbB3/HER3 and ErbB4/HER4, which trigger intracellular signals at the origin of essential cellular functions including differentiation, proliferation, survival and migration. Epithelial cells, named cholangiocytes, that line intrahepatic and extrahepatic bile ducts, contribute substantially to biliary secretory functions and bile transport. Although ErbB receptors have been widely studied in cholangiocarcinoma (CCA), a malignancy of the biliary tract, knowledge of these receptors in biliary epithelium physiology and in non-malignant cholangiopathies is far from completed...
July 3, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28662515/trail-enhances-shikonin-induced-apoptosis-through-ros-jnk-signaling-in-cholangiocarcinoma-cells
#6
Guangyao Zhou, Zuqin Yang, Xiaodong Wang, Ran Tao, Yuanping Zhou
BACKGROUND/AIMS: Cholangiocarcinoma (CCA), arising from varying locations within the biliary tree, is the second most common primary liver malignancy worldwide. Shikonin, an active compound extracted from the Chinese herb Zicao, holds anti-bacterial, anti-inflammatory, and anti-tumor activities. However, the effect of shikonin on human cholangiocarcinoma and detailed mechanisms of TRAIL enhancement remains to be elucidated. The purpose of the study was to investigate the protective functions of TRAIL enhancement for shikonin induced apoptosis in cholangiocarcinoma cells...
June 29, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28638453/the-clinical-impact-of-c-met-over-expression-in-advanced-biliary-tract-cancer-btc
#7
Mi Hwa Heo, Hee Kyung Kim, Hansang Lee, Kyoung-Mee Kim, Jeeyun Lee, Se Hoon Park, Joon Oh Park, Ho Yeong Lim, Won Ki Kang, Young Suk Park, Seung Tae Kim
Background: c-MET is a proto-oncogene that encodes the tyrosine kinase receptor for hepatocyte growth factor (HGF). Activation of HGF-c-MET signaling involves cell invasiveness and evokes metastasis through direct involvement of tumor angiogenesis. However, the value of c-MET overexpression is still unknown in metastatic biliary tract cancer (BTC). Methods: We analyzed the incidence and clinicopathologic characteristics of c-MET overexpression in advanced BTC. Moreover, we investigated the value of c-MET overexpression in predicting response to gemicitabine plus cisplatin (GC), a first line standard regimen, and as a prognostic marker in metastatic BTC...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28632786/diagnostic-accuracy-of-magnetic-resonance-computed-tomography-and-contrast-enhanced-ultrasound-in-radiological-multimodality-assessment-of-peribiliary-liver-metastases
#8
Vincenza Granata, Roberta Fusco, Orlando Catalano, Antonio Avallone, Raffaele Palaia, Gerardo Botti, Fabiana Tatangelo, Francesco Granata, Marco Cascella, Francesco Izzo, Antonella Petrillo
PURPOSE: We compared diagnostic performance of Magnetic Resonance (MR), Computed Tomography (CT) and Ultrasound (US) with (CEUS) and without contrast medium to identify peribiliary metastasis. METHODS: We identified 35 subjects with histological proven peribiliary metastases who underwent CEUS, CT and MR study. Four radiologists evaluated the presence of peribiliary lesions, using a 4-point confidence scale. Echogenicity, density and T1-Weigthed (T1-W), T2-W and Diffusion Weighted Imaging (DWI) signal intensity as well as the enhancement pattern during contrast studies on CEUS, CT and MR so as hepatobiliary-phase on MRI was assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28617032/intraductal-papillary-neoplasia-of-the-bile-duct-with-malignancy-a-differentiated-entity-of-cholangiocarcinoma-with-a-better-prognosis-a-review-of-three-new-cases
#9
Baltasar Pérez Saborido, Martín Bailón Cuadrado, Mario Rodríguez López, Enrique Asensio Díaz, Beatriz Madrigal Rubiales, Asterio Barrera Rebollo
INTRODUCTION: Intraductal papillary neoplasms of the bile duct have been recognized as a differentiated entity to other biliary tumors since 2001. They are characterized by intraductal growth, with or without mucus production, and have malignant potential, although they have a better prognosis than other types of cholangiocarcinoma. MATERIAL AND METHODS: From January 2010 to August 2015, we included three patients with a confirmed diagnosis of bile duct intraductal papillary neoplasia with malignancy that were treated at our center...
June 15, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28611259/prevalence-risk-factors-and-survival-of-patients-with-intrahepatic-cholangiocarcinoma
#10
Paulina Chinchilla-López, Nancy Aguilar-Olivos, Jaime García-Gómez, Karen Hernández-Alejandro, Fredy Chablé-Montero, Daniel Motola-Kuba, Tushar Patel, Nahum Mendez-Sánchez
PURPOSE: To investigate the prevalence, related risk factors, and survival of intrahepatic cholangiocarcinoma in a Mexican population. MATERIAL AND METHODS: We conducted a cross-sectional study at Medica Sur Hospital in Mexico City with approval of the local research ethics committee. We found cases by reviewing all clinical records of in-patients between October 2005 and January 2016 who had been diagnosed with malignant liver tumors. Clinical characteristics and comorbidities were obtained to evaluate the probable risk factors and the Charlson index...
August 1, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28602220/inhibition-of-microrna-24-increases-liver-fibrosis-by-enhanced-menin-expression-in-mdr2-mice
#11
Chad Hall, Laurent Ehrlich, Fanyin Meng, Pietro Invernizzi, Francesca Bernuzzi, Terry C Lairmore, Gianfranco Alpini, Shannon Glaser
BACKGROUND: Liver transplantation remains the primary treatment for primary sclerosing cholangitis (PSC). Mdr2(-/-) mice provide a reliable in vivo model of PSC and develop characteristic biliary inflammation and fibrosis. We tested the hypothesis that the tumor suppressor protein menin is implicated in the progression of liver fibrosis and that menin expression can be regulated in the liver via microRNA-24 (miR-24). MATERIALS AND METHODS: Menin expression was measured in human PSC and Mdr2(-/-) mice...
May 11, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28581486/the-hippo-signaling-functions-through-the-notch-signaling-to-regulate-intrahepatic-bile-duct-development-in-mammals
#12
Nan Wu, Quy Nguyen, Ying Wan, Tiaohao Zhou, Julie Venter, Gabriel A Frampton, Sharon DeMorrow, Duojia Pan, Fanyin Meng, Shannon Glaser, Gianfranco Alpini, Haibo Bai
The Hippo signaling pathway and the Notch signaling pathway are evolutionary conserved signaling cascades that have important roles in embryonic development of many organs. In murine liver, disruption of either pathway impairs intrahepatic bile duct development. Recent studies suggested that the Notch signaling receptor Notch2 is a direct transcriptional target of the Hippo signaling pathway effector YAP, and the Notch signaling is a major mediator of the Hippo signaling in maintaining biliary cell characteristics in adult mice...
June 5, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28577726/updates-in-hepatic-oncology-imaging
#13
REVIEW
Pallavi Pandey, Heather Lewis, Ankur Pandey, Carl Schmidt, Mary Dillhoff, Ihab R Kamel, Timothy M Pawlik
The utilization of advanced imaging modalities play an important role in the detection and differentiation of benign and malignant hepatic lesions. Imaging characteristics of hepatic tumors can sometimes be atypical, often leading to diagnostic challenges. Recent technical improvements in contrast enhanced ultrasound (CEUS), computed tomography (CT), and magnetic resonance imaging (MRI) have helped to better characterize hepatic lesions. For example, contrast agents used in US can now better delineate liver lesions, while the ability to reliably produce multiplanar and 3-D reconstructions through the use of MDCT provides an additional advantage in the context of therapeutic decision making for patients with hepatic lesions...
June 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28573638/peribiliary-liver-metastases-mr-findings
#14
Vincenza Granata, Roberta Fusco, Orlando Catalano, Antonio Avallone, Maddalena Leongito, Francesco Izzo, Antonella Petrillo
We described magnetic resonance (MR) features of peribiliary metastasis and of periductal infiltrative cholangiocarcinoma. We assessed 35 patients, with peribiliary lesions, using MR 4-point confidence scale. T1-weighted (T1-W), T2-weighted (T2-W) and diffusion-weighted images (DWI) signal intensity, enhancement pattern during arterial, portal, equilibrium and hepatobiliary phase were assessed. We identified 24 patients with periductal-infiltrating cholangiocellular carcinoma. The lesions in 34 patients appeared as a single tissue, while in a single patient, the lesions appeared as multiple individual lesions...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28567454/distal-pancreatectomy-with-splenorenal-shunt-to-preserve-spleen-in-a-cirrhotic-patient
#15
Giuseppe Maria Ettorre, Giovanni Battista Levi Sandri, Marco Colasanti, Edoardo de Werra, Pasquale Lepiane
At pancreatic ductal adenocarcinoma is an aggressive malignancy with a high recurrence rate. Due to its high potentials of local invasion and distant metastasis, surgical resection is the only means for possible long-term survival. Surgical treatment comprises a distal pancreatectomy with or without splenectomy. Surgery has been conventionally contraindicated for patients with cirrhosis and portal vein hepato-biliary hypertension. Splenorenal shunt was first described by Warren and colleagues, to prevent death from bleeding esophageal varices in a patient with a patent portal vein hypertension...
May 2017: Annals of Hepato-Biliary-Pancreatic Surgery
https://www.readbyqxmd.com/read/28561948/identification-of-fucosylated-fetuin-a-as-a-potential-biomarker-for-cholangiocarcinoma
#16
Lucy Betesh, Mary Ann Comunale, Mengjun Wang, Hongyan Liang, Julie Hafner, Aykan Karabudak, Nasra H Giama, Catherine D Moser, Eiji Miyoshi, Lewis R Roberts, Timothy M Block, Anand Mehta
PURPOSE: Cholangiocarcinoma (CCA) is a malignancy of the bile ducts. The purpose of this discovery study was to identify effective serum markers for surveillance of cholangiocarcinoma. EXPERIMENTAL DESIGN: Using a glycomic method, patients with CCA were determined to have increased levels of alpha-1,3 and alpha-1,6 linked fucosylated glycan. Proteomic analysis of the serum fucosylated proteome identified proteins such as alpha-2-macroglobulin, kininogen, hemopexin, fetuin-A, alpha-1 anti-trypsin, and ceruloplasmin as being hyperfucosylated in HCC...
May 31, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28535652/-analysis-of-clinical-prognosis-and-the-correlation-between-bile-duct-injury-after-transcatheter-arterial-chemoembolization-and-the-level-of-hepatic-arterial-embolization-in-patients-with-hepatocellular-carcinoma
#17
H Y Xu, X P Yu, R Feng, H J Hu, W W Xiao
Objective: To evaluate the correlation between bile duct injury after transcatheter arterial chemoembolization and the level of hepatic arterial embolization, and to analyze the clinical prognosis of hepatocellular carcinoma patients. Methods: From January18, 2012 to December18, 2014, 21 patients underwent TACE for HCC were retrospectively reviewed, including patients' clinical and pathological data. The clinical outcome and relevant factors for bile duct injury were analyzed. Results: A total of 21 patients were identified with bile duct injury at our single institution...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28531870/an-unusual-case-of-jaundice-biliary-tumor-thrombus-in-fibrolamellar-hepatocellular-carcinoma
#18
Jairo A Espinosa, Alex Merlo, Mohamed-Omar Arafeh, Gitonga Munene
BACKGROUND: Fibrolamellar hepatocellular carcinoma (FL-HCC) is a rare and unique variant of hepatocellular carcinoma (HCC) whose presentation remains inadequately described. We present a resectable case of FL-HCC which involved tumor thrombus of the common bile duct. PRESENTATION: A 27 year-old male presenting with jaundice, abdominal pain, vomiting, hepatic dysfunction and hyperbilirubinemia was found to have a large liver mass and lymphadenopathy on preoperative imaging...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28520651/laparoscopic-management-of-hepatocellular-carcinoma-a-critical-reappraisal
#19
David Fuks, Luca Aldrighetti, Long R Jiao, Go Wakabayashi, Paolo Limongelli
Following the introduction of the first laparoscopic liver resection, after ∼25 years, a critical reappraisal seems to be warranted. Liver resection represents the first choice for curing early hepatocellular carcinoma (HCC) allowing a curative chance also in selected patients with intermediate stage tumors. The criteria for liver resectability by laparoscopy remains the same for open surgery, which is oncological criteria (absence of extrahepatic tumor location; completely resectable R0 resection), anatomic (resectability of involved segment with its own blood surely and biliary drainage; absence of vascular invasion of portal or hepatic veins) and technical (possibility to leave in place a residual volume ≥40%)...
May 17, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28516570/proposal-of-size-based-surgical-indication-criteria-for-liver-hemangioma-based-on-a-nationwide-survey-in-japan
#20
Yoshihiro Sakamoto, Norihiro Kokudo, Takeyuki Watadani, Junji Shibahara, Masakazu Yamamoto, Hiroki Yamaue
BACKGROUND: Surgical indications for liver hemangioma remain unclear. METHODS: Of 510 patients undergoing surgical resection for liver hemangioma in 118 Japanese centers between 1998 and 2012, abdominal symptoms, diagnostic accuracy, and surgical outcomes were analyzed to propose size-based surgical indications. Patients were classified into four groups based on tumor size: Group A ≤5 cm (n = 122, 24%), Group B 5-10 cm (n = 164, 32%), Group C 10-15 cm (n = 124, 24%), and Group D >15 cm (n = 100, 20%)...
July 2017: Journal of Hepato-biliary-pancreatic Sciences
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