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https://www.readbyqxmd.com/read/27919155/-possible-health-risks-from-asbestos-in-drinking-water
#1
Agostino Di Ciaula, Valerio Gennaro
The recent finding of asbestos fibres in drinking water (up to 700.000 fibres/litres) in Tuscany (Central Italy) leads to concerns about health risks in exposed communities. Exposure to asbestos has been linked with cancer at several levels of the gastrointestinal tract, and it has been documented, in an animal model, a direct cytotoxic effect of asbestos fibres on the ileum. It has been recently described a possible link between asbestos and intrahepatic cholangiocarcinoma, and asbestos fibres have been detected in humans in histological samples from colon cancer and in gallbladder bile...
November 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27893749/differential-protein-expression-in-the-hemolymph-of-bithynia-siamensis-goniomphalos-infected-with-opisthorchis-viverrini
#2
Kulwadee Suwannatrai, Apiporn Suwannatrai, Pairat Tabsripair, Jariya Umka Welbat, Sirikachorn Tangkawattana, Cinzia Cantacessi, Jason Mulvenna, Smarn Tesana, Alex Loukas, Javier Sotillo
Bithynia siamensis goniomphalos is a freshwater snail that serves as the first intermediate host of the human liver fluke Opisthorchis viverrini. This parasite is a major public health problem in different countries throughout the Greater Mekong sub-region (Thailand, southern Vietnam, Lao PDR and Cambodia). Chronic O. viverrini infection also results in a gradual increase of fibrotic tissues in the biliary tract that are associated with hepatobiliary diseases and contribute to cholangiocarcinoma (a fatal type of bile duct cancer)...
November 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27892720/association-between-chronic-pancreatitis-and-pyogenic-liver-abscess-a-nationwide-population-study
#3
Chih-Wei Tseng, Yu-Tso Chen, Cheng-Li Lin, Ji-An Liang
BACKGROUND: The relationship between chronic pancreatitis (CP) and subsequent pyogenic liver abscess (PLA) is not well understood. METHODS: We investigated the risk of PLA in patients with CP using inpatient claims data from the Taiwan National Health Insurance Program for the period 2000-2010, we identified 17,810 patients with chronic pancreatitis (CP group) and 71,240 patients without CP (non-CP group). Both cohorts were followed until a diagnosis of PLA, until they were censored from the study because of loss to follow-up, death, or termination of insurance, or until the study cut-off date of December 31, 2011...
November 28, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27849659/a-new-proposal-of-criteria-for-the-future-remnant-liver-volume-in-older-patients-undergoing-major-hepatectomy-for-biliary-tract-cancer
#4
Yoshihiro Watanabe, Satoshi Kuboki, Hiroaki Shimizu, Masayuki Ohtsuka, Hideyuki Yoshitomi, Katsunori Furukawa, Masaru Miyazaki
OBJECTIVE: To evaluate whether advanced age increases the risk of severe complications after major hepatectomy with bile duct resection (BDR) in patients with biliary tract cancer, and to establish new criteria for the percentage of the future remnant liver volume (%FLV) in older patients undergoing this operation. BACKGROUND: Advanced age is reported to inhibit liver regeneration and suppress immune function; however, little is known about the risk of aging in high-stress surgery, such as biliary tract surgery...
November 15, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27776323/report-of-a-case-with-gallbladder-carcinoma-p53-expression-of-the-peritumor-epithelium-might-predict-biliary-tract-recurrence
#5
Atsushi Takano, Hiroshi Nakagomi, Kou Ikegame, Atsushi Yamamoto, Hideki Watanabe, Haruka Nakada, Masayuki Inoue, Hidemitsu Sugai, Michiya Yasutome, Kazushige Furuya, Masao Hada, Yoshiaki Miyasaka, Toshio Oyama, Masao Omata
INTRODUCTION: The over-expression of P53 protein in gallbladder carcinoma is a biomarker correlating with a poor survival. However, the significance of P53 expression in peritumor tissues is unknown. We experienced a case of gallbladder carcinoma where the operative specimen showed over-expression of P53 on the peritumor epithelium, and early recurrence developed at the biliary tract. PRESENTATION OF CASE: A 74-year-old female patient was referred to our hospital due to wall thickening of the gallbladder on ultrasonography...
October 18, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27775261/the-epidemiologic-status-of-gynecologic-cancer-in-thailand
#6
Sarikapan Wilailak, Nuttapong Lertchaipattanakul
Between the years of 2010-2012, it was estimated there were a total of 112,392 new cases of cancers in Thailand, thus, the total age-standardized rate (ASR) per 100,000 is 137.6. In regards to the most prevalent types of cancer in female, breast cancer has the highest ASR, followed by cervical cancer (ASR=14.4); liver and bile duct cancer; colon and rectum cancer; trachea, bronchus and lung cancer; ovarian cancer (ASR=6.0); thyroid cancer; non-Hodgkin lymphoma and uterine cancer (ASR=4.3). The trend of cervical cancer in Thailand is decreasing, one key factor in making this possible was the employment of dual tract strategy (Pap smear and visual inspection with acetic acid [VIA]) by the government in 2005...
November 2016: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/27745798/mutation-analysis-and-copy-number-changes-of-kras-and-braf-genes-in-taiwanese-cases-of-biliary-tract-cholangiocarcinoma
#7
Wen-Chih Huang, Chien-Chen Tsai, Chih-Chieh Chan
BACKGROUND/PURPOSE: Cholangiocarcinoma (CC) is a fatal malignancy originating from biliary tracts and constitutes approximately 10-20% of hepatobiliary cancers. CC is characterized by a very poor prognosis. The definite molecular mechanisms leading to oncogenesis remain unclear. This study aimed to perform mutation analysis and copy number changes of KRAS and BRAF genes of CC in Taiwan. METHODS: A total of 182 cases of biliary tact CC were studied for point mutation and quantitative real-time polymerase chain reaction analysis of KRAS and BRAF genes...
October 10, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27704265/biliary-carcinogenesis-in-pancreaticobiliary-maljunction
#8
Terumi Kamisawa, Sawako Kuruma, Kazuro Chiba, Taku Tabata, Satomi Koizumi, Masataka Kikuyama
Pancreaticobiliary maljunction (PBM) is a congenital malformation in which the pancreatic and bile ducts join anatomically outside the duodenal wall. Because of the excessive length of the common channel in PBM, sphincter action does not directly affect the pancreaticobiliary junction, which allows pancreatic juice to reflux into the biliary tract. According to the results of a nationwide survey, bile duct and gallbladder cancers were found in 6.9 and 13.4 % of adult patients with congenital biliary dilatation, respectively, and in 3...
October 4, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27701873/adjuvant-therapy-for-resected-biliary-tract-cancer-a-review
#9
Mark K Doherty, Jennifer J Knox
Surgical resection remains the most important treatment for patients with biliary tract cancer (BTC), but despite radical surgical techniques many patients ultimately develop recurrent disease. BTC encompasses several distinct disease entities-intrahepatic, perihilar and distal bile duct cholangiocarcinoma as well as gallbladder cancer. These tumors are histologically similar, but have different etiologies and recent information regarding their genomic footprint has questioned their biological similarity. Surgical approaches are also necessarily varied based on the site of the tumor...
October 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/27698669/a-case-of-malignant-biliary-obstruction-with-severe-obesity-successfully-treated-by-endoscopic-ultrasonography-guided-biliary-drainage
#10
Takashi Obana, Shuuji Yamasaki
Here, we present a case of malignant biliary tract obstruction with severe obesity, which was successfully treated by endoscopic ultrasonography-guided biliary drainage (EUS-BD). A female patient in her sixties who had been undergoing chemotherapy for unresectable pancreatic head cancer was admitted to our institution for obstructive jaundice. She had diabetes mellitus, and her body mass index was 35.1 kg/m(2). Initially, endoscopic retrograde cholangiopancreatography (ERCP) was performed, but bile duct cannulation was unsuccessful...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27620132/pancreaticobiliary-maljunctions-in-european-patients-with-bile-duct-cysts-results-of-the-multicenter-study-of-the-french-surgical-association-afc
#11
Emilia Ragot, Jean-Yves Mabrut, Mehdi Ouaïssi, Alain Sauvanet, Safi Dokmak, Gennaro Nuzzo, Nermin Halkic, Remi Dubois, Christian Létoublon, Daniel Cherqui, Daniel Azoulay, Sabine Irtan, Karim Boudjema, François-René Pruvot, Jean-François Gigot, Reza Kianmanesh
BACKGROUND: Pancreaticobiliary maljunctions (PBMs) are congenital anomalies of the junction between pancreatic and bile ducts, frequently associated with bile duct cyst (BDC). BDC is congenital biliary tree diseases that are characterized by distinctive dilatation types of the extra- and/or intrahepatic bile ducts. Todani's types I and IVa, in which dilatation involves principally the main bile duct, are the most frequent. PBM induces pancreatic juice reflux into the biliary tract that is supposed to be one of the main factors of biliary cancer degeneration, although the diagnostic criteria of PBM that can be either morphological and/or functional are not well defined especially in Western series...
September 12, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27591869/specific-features-of-progression-of-the-parasitic-invasion-caused-by-opisthorchis-felineus-in-golden-hamsters
#12
D E Semenov, N A Zhukova, T G Tolstikova, I V Sorokina, E L Lushnikova
The influence of Opisthorchis felineus invasion on the development of pathological changes in the hepatobiliary system was studied in 120 golden hamsters in a long-term experiment (42 weeks) after single infection per os in the dose of 50 metacercariae per animal. The animals were sacrificed on weeks 4, 8, 12, 16, 28 and 42. Chronic experimental infestation with O. felineus triggered a cascade of morphogenetic processes in both extrahepatic and intrahepatic biliary systems. At the early stages of the experiment, polyps and strictures of bile ducts were formed in the lobar bile ducts; in portal tracts, hyperplasia and adenomatous transformation of the newly formed epithelial structures were observed...
August 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27586966/a-pilot-study-of-concurrent-chemoradiotherapy-with-gemcitabine-and-cisplatin-in-patients-with-locally-advanced-biliary-tract-cancer
#13
Kyong Joo Lee, Seung Woo Yi, Jihye Cha, Jinsil Seong, Seungmin Bang, Si Young Song, Hee Man Kim, Seung Woo Park
PURPOSE: Combination chemotherapy with gemcitabine and cisplatin is a standard treatment for patients with advanced biliary tract cancer. This study aimed to evaluate the efficacy and safety of gemcitabine- and cisplatin-based concurrent chemoradiotherapy in patients with unresectable biliary tract cancer. METHODS: Patients with pathologically proven, unresectable, non-metastatic biliary tract cancer were enrolled. Gemcitabine was administered intravenously at a dose of 1000 mg/m(2) on days 1, 8, and 15...
October 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27575712/gallstones-and-the-risk-of-gallbladder-cancer-mortality-a-cohort-study
#14
Seungho Ryu, Yoosoo Chang, Kyung Eun Yun, Hyun-Suk Jung, Jun Ho Shin, Hocheol Shin
OBJECTIVES: Despite epidemiologic data, definitive evidence for the role of gallstones as a cause for gallbladder cancer is lacking. The goal of this study was to evaluate the association between gallstones, determined by ultrasound, and the risk of gallbladder cancer mortality in a large study of Korean men and women. In addition, the association between gallstones and cholecystectomy, and risk of hepatobiliary cancer mortality was investigated. METHODS: A cohort study was performed for 396,720 South Korean men and women who underwent a health checkup from 2002 to 2012...
October 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27553174/biliary-tract-malignancies-a-population-based-study-on-incidence-prognosis-and-management-of-patients
#15
Gunnar Juliusson, Jon Gunnlaugur Jonasson, Sara B Jonsdottir, Henrik G Garcia, Elinborg Olafsdottir, Pall Helgi Möller, Einar S Björnsson
BACKGROUND: Biliary tract malignancies are uncommon and few population-based studies are available. METHODS: This nationwide population-based study in Iceland included all patients diagnosed with intra- and extrahepatic cholangiocarcinoma, gallbladder and ampullary cancer from 1984 to 2012. Patients were identified through the Icelandic Cancer Registry. Clinical information was obtained from patient records. RESULTS: Overall 245 patients were identified: 38 had intrahepatic cholangiocarcinoma, 66 extrahepatic cholangiocarcinoma, 73 gallbladder cancer (GBC) and 68 ampullary cancer...
December 2016: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/27462695/pattern-of-biliary-tract-carcinoma-at-the-university-college-hospital-ibadan
#16
T O Babatunde, J O Ogunbiyi
BACKGROUND: Biliary tract carcinomas are uncommon but highly fatal malignancies. Most patients in our environment are diagnosed late and are not candidates for curative resection. OBJECTIVE: To determine the pattern and risk factors of biliary tract carcinoma in Ibadan. METHODOLOGY: This was a retrospective study of histologically confirmed cases of biliary tract carcinoma diagnosed at the University College Hospital, Ibadan between January 1971 and December 20 10...
December 2015: African Journal of Medicine and Medical Sciences
https://www.readbyqxmd.com/read/27404553/bypass-of-mutagenic-o-6-carboxymethylguanine-dna-adducts-by-human-y-and-b-family-polymerases
#17
Michael H Räz, Hannah R Dexter, Christopher L Millington, Barbara van Loon, David M Williams, Shana J Sturla
The generation of chemical alkylating agents from nitrosation of glycine and bile acid conjugates in the gastrointestinal tract is hypothesized to initiate carcinogenesis. O(6)-carboxymethylguanine (O(6)-CMG) is a product of DNA alkylation derived from nitrosated glycine. Although the tendency of the structurally related adduct O(6)-methylguanine to code for the misincoporation of TTP during DNA replication is well-established, the impact of the presence of the O(6)-CMG adduct in a DNA template on the efficiency and fidelity of translesion DNA synthesis (TLS) by human DNA polymerases (Pols) has hitherto not been described...
September 19, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27402542/a-case-of-postoperative-recurrent-cholangitis-after-pancreaticoduodenectomy-successfully-treated-by-tract-conversion-surgery
#18
Masahiro Shiihara, Osamu Miura, Kozo Konishi, Sachiko Takeo, Tadatoshi Kakimoto, Gen Hidaka, Yuichi Shibui, Yoshikazu Minamisono, Tomohiro Toda, Shuichiro Uemura, Masakazu Yamamoto
A 69-year-old man, who had undergone pylorus-preserving pancreaticoduodenectomy (PD) (Imanaga procedure) for duodenum papilla cancer 13 years prior, had a history of repeated hospitalization due to cholangitis since the third year after surgery and liver abscess at the 10th year after surgery. Gastrointestinal series indicated no stenosis after the cholangiojejunostomy. However, reflux of contrast media into the bile duct and persistence of food residues were observed. We considered the cholangitis to be caused by reflux and persistence of food residues into the bile duct...
2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/27392541/overweight-obesity-and-the-risk-of-gallbladder-and-extrahepatic-bile-duct-cancers-a-meta-analysis-of-observational-studies
#19
Liqing Li, Yong Gan, Wenzheng Li, Chunmei Wu, Zuxun Lu
OBJECTIVE: Epidemiological studies have repeatedly investigated the association between excess body weight and the risk of biliary tract cancer with inconsistent results. The objective of this study was to quantitatively assess the associations between overweight and obesity and the risk of biliary tract cancer. METHODS: A comprehensive search of PubMed, Embase, Web of Science, and China National Knowledge Infrastructure databases up to August 2015 was conducted, and the reference lists of retrieved articles for additional relevant studies were manually searched...
August 2016: Obesity
https://www.readbyqxmd.com/read/27358229/wisteria-floribunda-agglutinin-sialylated-mucin-core-polypeptide-1-is-a-sensitive-biomarker-for-biliary-tract-carcinoma-and-intrahepatic-cholangiocarcinoma-a-multicenter-study
#20
Junichi Shoda, Atsushi Matsuda, Takashi Shida, Masakazu Yamamoto, Masato Nagino, Toshio Tsuyuguchi, Takahiro Yasaka, Susumu Tazuma, Kazuhisa Uchiyama, Michiaki Unno, Nobuaki Ohkohchi, Yasuni Nakanuma, Atsushi Kuno, Hisashi Narimatsu
BACKGROUND: Wisteria floribunda agglutinin (WFA)-sialylated mucin core polypeptide 1 (MUC1) was investigated as a new glycoprotein marker for cholangiocarcinoma (CC) using glycoproteomics technologies. In this multicenter study, WFA-sialylated MUC1 levels in serum and bile samples were measured to determine their diagnostic capability in biliary tract carcinoma (BTC) and intrahepatic (Ih) CC. METHODS: The study included 244 patients with BTC, 59 patients with IhCC, 287 patients with benign biliary tract diseases, and 44 control subjects...
June 29, 2016: Journal of Gastroenterology
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