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Cholangiocellular carcinoma

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https://www.readbyqxmd.com/read/29879746/interobserver-agreement-for-contrast-enhanced-ultrasound-ceus-based-standardized-algorithms-for-the-diagnosis-of-hepatocellular-carcinoma-in-high-risk-patients
#1
Barbara Schellhaas, Lukas Pfeifer, Christian Kielisch, Ruediger Stephan Goertz, Markus F Neurath, Deike Strobel
OBJECTIVES:  This pilot study aimed at assessing interobserver agreement with two contrast-enhanced ultrasound (CEUS) algorithms for the diagnosis of hepatocellular carcinoma (HCC) in high-risk patients. METHODS:  Focal liver lesions in 55 high-risk patients were assessed independently by three blinded observers with two standardized CEUS algorithms: ESCULAP (Erlanger Synopsis of Contrast-Enhanced Ultrasound for Liver Lesion Assessment in Patients at risk) and ACR-CEUS-LI-RADSv...
June 7, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29875798/surgical-techniques-and-strategies-for-the-treatment-of-primary-liver-tumours-hepatocellular-and-cholangiocellular-carcinoma
#2
Eva Braunwarth, Stefan Stättner, Margot Fodor, Benno Cardini, Thomas Resch, Rupert Oberhuber, Daniel Putzer, Reto Bale, Manuel Maglione, Christian Margreiter, Stefan Schneeberger, Dietmar Öfner, Florian Primavesi
Background: Owing to remarkable improvements of surgical techniques and associated specialities, liver surgery has become the standard of care for hepatocellular carcinoma and cholangiocarcinoma. Although applied with much greater safety, hepatic resections for primary liver tumours remain challenging and need to be integrated in a complex multidisciplinary treatment approach. Methods: This literature review gives an update on the recent developments regarding basics of open and laparoscopic liver surgery and surgical strategies for primary liver tumours...
2018: European Surgery: ACA: Acta Chirurgica Austriaca
https://www.readbyqxmd.com/read/29865043/differentiation-of-malignant-liver-tumors-by-software-based-perfusion-quantification-with-dynamic-contrast-enhanced-ultrasound-dceus
#3
Dane Wildner, Barbara Schellhaas, Daniel Strack, Ruediger S Goertz, Lukas Pfeifer, Cornelia Fießler, Markus F Neurath, Deike Strobel
BACKGROUNDEnhancement patterns on contrast-enhanced ultrasound (CEUS) help to distinguish different liver tumors. OBJECTIVE: Assessing the diagnostic value of dynamic contrast-enhanced ultrasound (DCEUS) for the discrimination of different malignant liver lesions. METHODS: 148 malignant focal liver lesions were assessed prospectively with DCEUS (hepatocellular carcinoma = HCC; cholangiocellular carcinoma = CCC; pancreatic adenocarcinoma = PCA; breast cancer = BC; colorectal cancer = CRC; melanoma = MM)...
May 25, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29776636/molecular-diagnostics-in-the-neoplasms-of-the-pancreas-liver-gallbladder-and-extrahepatic-biliary-tract-2018-update
#4
REVIEW
Lei Zhang, Martin H Bluth, Amarpreet Bhalla
Pancreatic neoplasms, including ductal adenocarcinoma, solid pseudopapillary neoplasm, pancreatic endocrine neoplasms, acinar cell carcinoma, and pancreatoblastoma, are associated with different genetic abnormalities. Hepatic adenomas with beta-catenin exon 3 mutation are associated with a high risk of malignancy. Hepatic adenoma with arginosuccinate synthetase 1 expression or sonic hedgehog mutations are associated with a risk of bleeding. Hepatocellular carcinoma and choangiocarcinoma display heterogeneity at both morphologic and molecular levels Cholangiocellular carcinoma is most commonly associated with IDH 1/2 mutations...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29767267/hdac-inhibitors-trichostatin-a-and-valproic-acid-increase-e%C3%A2-cadherin-and-vimentin-expression-but-inhibit-migration-and-invasion-of-cholangiocarcinoma-cells
#5
Joon Ho Wang, Eun Jeoung Lee, Meiying Ji, Seon Mee Park
The effects of histone deacetylase (HDAC) inhibitors on epithelial-mesenchymal transition (EMT) differ in various cancers. E‑cadherin is a cell‑to‑cell adhesion protein, whereas accumulation of vimentin is related to the development of the spindle shape of the mesenchymal cell phenotype. We investigated the EMT phenotypes of human cholangiocellular carcinoma HuCC‑T1, JCK and SNU‑1079 cell lines. To this end, we measured the expression of E‑cadherin or zonula occludens (ZO)‑1 and vimentin, epithelial and mesenchymal cell markers, respectively, using real‑time reverse transcription‑polymerase chain reaction, western blotting, and immunofluorescence microscopy following treatment with trichostatin A (TSA, 200 nM) or valproic acid (VPA, 0...
May 16, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29758936/evaluation-of-integrated-color-coded-perfusion-analysis-for-contrast-enhanced-ultrasound-ceus-after-percutaneous-interventions-for-malignant-liver-lesions-first-results
#6
I Wiesinger, L P Beyer, N Zausig, N Verloh, P Wiggermann, C Stroszczynski, E M Jung
BACKGROUND:  With the rising number of percutaneous ablation therapies in malignant liver lesions there is a need of reliable diagnostics after the intervention to differentiate between reactive changes and tumor. PURPOSE: To assess the success of percutaneous ablation therapies for malignant liver lesions using CEUS with perfusion analysis. MATERIAL AND METHODS: Retrospective analysis of perfusion analysis for 67 patients with 94 malignant liver lesions, treated with ablation therapies...
2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29725406/nrsf-rest-levels-are-decreased-in-cholangiocellular-carcinoma-but-not-hepatocellular-carcinoma-compared-with-normal-liver-tissues-a-tissue-microarray-study
#7
Yanlan Yu, Shan Li, Huiyan Zhang, Xuqing Zhang, Deyu Guo, Jiqiang Zhang
The transcription factor neuron-restrictive silencer factor (NRSF), also termed repressor element 1-silencing transcription factor (REST), has been previously demonstrated to repress the expression of neuronal genes in non-neuronal cells, facilitating the controlled development and organization of nerve tissue. However, previous studies have reported NRSF/REST to be upregulated or downregulated in multiple types of carcinoma. Liver diseases are a major global health concern, with cirrhosis and liver carcinoma among the most common causes of mortality worldwide...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29670363/long-term-survival-with-transarterial-chemoembolization-and-radioembolization-in-a-patient-with-cancers-of-unknown-primary
#8
Gokmen Aktas, Tulay Kus, Taylan Metin, Selim Kervancioglu, Umut Elboga
Cancers of unknown primary (CUP) are histologically proven metastatic malignant tumors without an identified primary site before treatment. The common characteristics are early dissemination, lower response to chemotherapy and poor prognosis with short life expectancy. Treatment was directed according to the presence of localized or disseminated disease. The most frequent site of metastasis is the liver, which is a suitable target organ for arterial-directed therapies. We report a case of 53-year-old woman who was diagnosed with CUP and suspected with intracellular cholangiocellular carcinoma (ICC), presented with a very large, unresectable, chemotherapy-refractory hepatic mass and treated with transarterial chemoembolization and transarterial radioembolization and surprisingly followed for 48 months with minimally progressive and stable disease...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29570182/-surgical-treatment-of-primary-liver-malignancies
#9
Attila Szijártó, András Fülöp
The incidence of primary malignant liver tumours is globally rising. Hepatocellular carcinoma constitutes 75-85% of primary liver malignancies. Owing to advancements of oncological therapies, several methods are available to combat the tumour. Upon the complexity of the disease and the wide spectrum of therapeutical regimens, therapy of HCC is debated, with several undecided issues. Noteworthy, however, is that in early tumour stages, as a de facto curative approach, surgical therapy remains the most effective, allowing long-term survival...
March 23, 2018: Magyar Onkologia
https://www.readbyqxmd.com/read/29509246/downregulation-of-copb2-by-rnai-inhibits-growth-of-human-cholangiocellular-carcinoma-cells
#10
Z-S Li, C-H Liu, Z Liu, C-L Zhu, Q Huang
OBJECTIVE: The present study aimed to explore the contribution of COPB2 (coatomer subunit beta) towards the tumorigenesis of cholangiocellular carcinomas and to elucidate the underlying mechanism(s). MATERIALS AND METHODS: Expression of COPB2 mRNA by RBE and QBC939 cholangiocellular carcinoma cell lines was determined by qRT-PCR. We, then, silenced COPB2 expression in RBE cells by infection with a COPB2-siRNA lentivirus and measured the proliferation, cell-cycle distribution, and apoptosis of transduced cells...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29483499/multiple-field-interstitial-photodynamic-therapy-of-subcutaneously-transplanted-cholangiocellular-carcinoma-rs-1-in-rats
#11
D A Tzerkovsky
The aim of present study was to investigate an antitumor efficacy of multiple-field interstitial photodynamic therapy (iPDT) in vivo. MATERIALS AND METHODS: The study was performed on 15 white random-bred rats with subcutaneously transplanted cholangiocellular carcinoma RS-1. Chlorine-based photosensitizer (PS) Ce6CPPPS was administered via single injection at a dose of 2.5 mg/kg into the animal's caudal vein. Photoirradiation (PI) of tumors was carried out 3 h after PS administration using 7 optical fibers SMA-905 with diode laser with 660 ± 5 nm wavelength at exposure doses of 150 and 300 J/cm² with 0...
July 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29482629/primary-carcinosarcoma-of-the-liver-imaging-features-and-clinical-findings-in-six-cases-and-a-review-of-the-literature
#12
Jing Li, Pan Liang, Dandan Zhang, Jie Liu, Hongkai Zhang, Jinrong Qu, Jianbo Gao
BACKGROUND: Carcinosarcoma of the liver is a very rare tumor composed of a mixture of carcinomatous and sarcomatous elements. Less than 25 adequately documented cases have been reported, with inadequate description of imaging features. In order to improve the awareness of this rare tumor, this study aimed to analyze the clinicopathologic and imaging features of six cases of hepatic carcinosarcoma (HCS) confirmed by surgical pathologic evaluation. METHODS: We retrospectively studied the clinicopathologic and imaging features of six cases of HCS (matching the World Health Organization definition) and discussed the differential diagnosis on the basis of imaging findings...
February 27, 2018: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/29476594/compartment-model-analysis-of-intravenous-contrast-enhanced-dynamic-computed-tomography-in-hepatic-hemodynamics-a-validation-study-using-intra-arterial-contrast-enhanced-computed-tomography
#13
Daisuke Komatsu, Akira Yamada, Takeshi Suzuki, Masahiro Kurozumi, Yasunari Fujinaga, Kazuhiko Ueda, Masumi Kadoya
AIM: To verify the utility of the 2-in-1-out-compartment model analysis (CMA) of intravenous contrast-enhanced dynamic computed tomography (IV-CT) for evaluating hepatic arterial and portal venous flow using intra-arterial contrast-enhanced CT (IA-CT). METHODS: We retrospectively evaluated 49 consecutive patients who underwent IV-CT and were radiologically or histologically diagnosed as having hepatic malignant lesion (51 classical hepatocellular carcinomas [HCC], 4 early HCC, 3 cholangiolocellular carcinomas, 1 mixed HCC, 3 cholangiocellular carcinomas)...
February 23, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29470630/modified-ante-situm-liver-resection-without-use-of-cold-perfusion-nor-veno-venous-bypass-for-treatment-of-hepatic-lesions-infiltrating-the-hepatocaval-confluence
#14
F Oldhafer, K I Ringe, K Timrott, M Kleine, O Beetz, W Ramackers, S Cammann, J Klempnauer, F W R Vondran, H Bektas
PURPOSE: Treatment of malignancies invading the hepatic veins/inferior vena cava is a surgical challenge. An ante situm technique allows luxation of the liver in front of the situs to perform tumor resection. Usually, cold perfusion and veno-venous bypass are applied. Our experience with modified ante situm resection relying only on total vascular occlusion is reported. METHODS: Retrospective analysis on an almost 15-year experience with ante situm resection without application of cold perfusion or veno-venous bypass RESULTS: The ante situm technique was applied on eight patients...
February 22, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29460044/mri-features-of-primary-hepatic-lymphoma
#15
Stefano Colagrande, Linda Calistri, Giulia Grazzini, Cosimo Nardi, Simone Busoni, Giovanni Morana, Luigi Grazioli
PURPOSE: Our retrospective study sought to describe the spectrum of magnetic resonance imaging (MRI) features of primary hepatic lymphoma (PHL) by analyzing its morphological aspects, signal intensity before and after contrast agent (CA) administration, and diffusion-weighted imaging (DwI) with the apparent diffusion coefficient (ADC) values. METHODS: A retrospective analysis was conducted on 25 patients with pathologically proven PHL who underwent MRI between January 2011 and December 2016...
February 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29454647/dynamic-plasticity-of-macrophage-functions-in-diseased-liver
#16
Thomas Ritz, Oliver Krenkel, Frank Tacke
Liver macrophages attract increasing interest due to their crucial roles in homeostasis and hepatic diseases. Recent findings in mice and man suggest a remarkable phenotypic and functional diversity of liver macrophages. Kupffer cells, the subset of tissue resident macrophages with sentinel functions in liver, mainly arise from embryogenic precursors, whereas in injury, liver tissue is engrafted by monocyte-derived macrophages. Both principal macrophage populations respond to local or systemic signals and have substantial effects on reduction as well as aggravation of hepatic diseases...
December 20, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/29394788/-a-case-report-of-an-elderly-patient-s-intrahepatic-cholangiocellular-carcinoma-with-cholangitis
#17
Hiroshi Ito, Toshiya Ochiai, Hiroki Nakatsuji, Hiroyuki Inoue, Nobuyuki Watanabe, Atsushi Yoshiyama, Atsushi Toma, Kenji Nakamura, Eigo Otsuji
We report a case of an elderly patient diagnosed with intrahepatic cholangiocellular carcinoma with cholangitis.An 88- year-old woman presented with fever.Computed tomography examination showed a hepatic tumor and dilation of the peripheral bile duct.Cholangiocarcinoma was diagnosed.Biliary tract drainage and palliative care were suggested because of her age.However, her family asked for a second opinion about operative management and consulted our hospital.Radical operations for intrahepatic cholangiocellular carcinoma that has spread to the left lobe are usually accompanied by widespread lymph node dissection and extensive hepatectomy with biliary tract reconstruction...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29359023/primary-biliary-cholangitis-metachronously-complicated-with-combined-hepatocellular-carcinoma-cholangiocellular-carcinoma-and-hepatocellular-carcinoma
#18
Ryuta Ide, Akihiko Oshita, Takashi Nishisaka, Hideki Nakahara, Shiomi Aimitsu, Toshiyuki Itamoto
Primary biliary cholangitis (PBC) is a progressive cholestatic liver disease characterized by the presence of highly specific antimitochondrial antibodies, portal inflammation and lymphocyte-dominated destruction of the intrahepatic bile ducts, which leads to cirrhosis. While its pathogenesis remains unclear, PBC that shows histological progression to fibrosis carries a high risk of carcinogenesis; the same is true of viral liver diseases. In patients with PBC, the development of hepatocellular carcinoma (HCC) is rare; the development of combined hepatocellular carcinoma and cholangiocellular carcinoma (cHCC-CCC) is extraordinary...
December 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/29282035/somatostatin-and-cxcr4-chemokine-receptor-expression-in-hepatocellular-and-cholangiocellular-carcinomas-tumor-capillaries-as-promising-targets
#19
Daniel Kaemmerer, Robin Schindler, Franziska Mußbach, Uta Dahmen, Annelore Altendorf-Hofmann, Olaf Dirsch, Jörg Sänger, Stefan Schulz, Amelie Lupp
BACKGROUND: Hepatocellular (HCC) and cholangiocellular carcinomas (CCC) display an exceptionally poor prognosis. Especially for advanced disease no efficient standard therapy is currently available. Recently, somatostatin analogs have been evaluated for the treatment of HCC, however, with contradictory results. Besides, for both malignancies the chemokine receptor CXCR4 has been discussed as a possible new target structure. METHODS: Expression of somatostatin receptor (SSTR) subtypes 1, 2A, 3, 4, and 5, and of CXCR4 was evaluated in a total of 71 HCCs and 27 CCCs by immunohistochemistry using well-characterized novel monoclonal antibodies...
December 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29233685/contrast-enhanced-ultrasound-in-mixed-hepatocellular-cholangiocarcinoma-case-series-and-review-of-the-literature
#20
Yi Dong, Andreas Teufel, Jörg Trojan, Annalisa Berzigotti, Xin Wu Cui, Christoph F Dietrich
BACKGROUND: Mixed hepatocellular cholangiocarcinoma is a rare form of primary liver cancer. AIMS: The aim of this study is to report the results of the use of contrast enhanced ultrasound in a series of patients with confirmed mixed hepatocellular cholangiocarcinoma and to provide an updated literature review. METHODS: Between January 2012 and October 2016, 25 Asian patients with confirmed mixed hepatocellular cholangiocarcinoma were included in this bicentric retrospective analysis...
April 2018: Digestive and Liver Disease
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