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https://www.readbyqxmd.com/read/28927252/microangiopathic-hemolytic-anemia-caused-by-a-signet-ring-cell-carcinoma-of-the-intrahepatic-bile-duct
#1
Ramy Younes, Paola Ponzo, Alfredo Marzano
Microangiopathic hemolytic anemia (MAHA) originates from a mechanical injury of red cells, caused by vascular thrombosis or stenosis. Cancer is a cause of MAHA as a consequence of both chemotherapy and disseminated disease itself. Here we describe the case of a 60-year-old man who developed a signet-ring cell carcinoma originated from the intrahepatic bile ducts, complicated by bone marrow metastasis and MAHA.
December 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28925490/multi-detector-spiral-ct-diagnosis-of-common-bile-duct-ampullary-carcinoma
#2
D-Z Zhao, Y Guo, Y-P Sun, H-M Liu, Z Zhang, Q-L Ma, Y-S Wang, C-L Chen
OBJECTIVE: The aim of this project was to study the imaging characteristics of multi-detector CT (MDCT) in different types of malignant tumor in the common bile duct ampulla. PATIENTS AND METHODS: We examined 30 cases of pancreatic head cancer, 35 of terminal cholangiocarcinoma, 26 of ampullary carcinoma, and 40 of benign lesions, all confirmed by pathology. We used 64-slice spiral CT plain scan and multi-phase enhanced scan with multi-planar reconstruction (MPR) and curved planar reconstruction (CPR) post-processing to obtain three-dimensional images...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28916723/fibroblast-growth-factor-2-fgf2-regulates-cytoglobin-expression-and-activation-of-human-hepatic-stellate-cells-via-jnk-signaling
#3
Misako Sato-Matsubara, Tsutomu Matsubara, Atsuko Daikoku, Yoshinori Okina, Lisa Longato, Krista Rombouts, Le Thi Thanh Thuy, Jun Adachi, Takeshi Tomonaga, Kazuo Ikeda, Katsutoshi Yoshizato, Massimo Pinzani, Norifumi Kawada
Cytoglobin (CYGB) belongs to the mammalian globin family and is exclusively expressed in hepatic stellate cells (HSCs) in the liver. In addition to its gas-binding ability, CYGB is relevant to hepatic inflammation, fibrosis, and cancer because of its antioxidative properties; however, the regulation of CYGB gene expression remains unknown. Here, we sought to identify factors that induce CYGB expression in HSCs and to clarify the molecular mechanism involved. We used the human HSC cell line HHSteC and primary human HSCs isolated from intact human liver tissues...
September 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28913619/bile-duct-obstruction-in-a-patient-treated-with-nivolumab-as-second-line-chemotherapy-for-advanced-non-small-cell-lung-cancer-a-case-report
#4
Jumpei Kashima, Yusuke Okuma, Ryoko Shimizuguchi, Kazuro Chiba
Immune checkpoint inhibitors (ICIs) are becoming a standard therapy for non-small-cell lung cancer in the advanced stage. As these ICIs become widely available in clinical practice, immune-related adverse effects will become more common. Here we report a patient with lung adenocarcinoma who was treated with nivolumab and developed obstruction because of biliary inflammation. A 63-year-old Japanese man having lung adenocarcinoma with pleural dissemination complained of epigastric pain on the fifth cycle of nivolumab...
September 14, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28913568/piperlongumine-induces-g2-m-phase-arrest-and-apoptosis-in-cholangiocarcinoma-cells-through-the-ros-jnk-erk-signaling-pathway
#5
Sunisa Thongsom, Wipa Suginta, Kyung Jin Lee, Han Choe, Chutima Talabnin
Cholangiocarcinoma (CCA) is an aggressive, metastatic bile duct cancer. CCA is difficult to diagnose, and responds poorly to current radio- and chemo-therapy. Piperlongumine (PL) is a naturally-occurring small molecule selectively toxic to cancer cells by targeting reactive oxygen species (ROS). In this study, we demonstrated the potential anticancer activity of PL in CCA. PL markedly induced death in CCA cell lines in a dose- and time-dependent manner through the activation of caspase-3 and PARP. PL also stimulated ROS accumulation in CCA...
September 14, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28913125/bilateral-ovarian-metastasis-of-a-klatskin-tumor-a-rare-case
#6
Sefa Kurt, Çağnur Ulukuş, Seher Nazlı Kazaz, İbrahim Astarcıoğlu
Metastatic carcinomas of the ovary have an important place in all ovarian cancers and tumors. They can originate from many organs and systems and may metastasize to the ovary. The most common primary origin of metastasis is the gastrointestinal tract and then breast tissue. Cholangiocellular carcinomas involving the junction of the right and left bile ducts are called Klatskin tumors, and their metastases to the ovaries are very rare. A woman aged 54 years who had been treated previously for Klatskin tumor was admitted to our clinic due to bilateral ovarian masses and high serum calcium 19-9 levels...
December 2016: Turk J Obstet Gynecol
https://www.readbyqxmd.com/read/28912914/intraductal-ultrasonography-as-a-local-assessment-before-magnetic-compression-anastomosis-for-obstructed-choledochojejunostomy
#7
Hideaki Kawabata, Misuzu Hitomi, Naonori Inoue, Yukino Kawakatsu, Yuji Okazaki, Masatoshi Miyata
Magnetic compression anastomosis (MCA) has been developed as a non-surgical alternative treatment for biliary obstruction without serious complications. A 70-year-old woman who had undergone pancreaticoduodenectomy with modified Child reconstruction for pancreatic head cancer suffered from obstructed choledochojejunostomy with no recurrent findings 4 months after the operation. Cholangiography using the percutaneous transhepatic cholangiographic drainage (PTCD) and fluoroscopy revealed complete obstruction of the upper common bile duct, and the length of the obstruction was 7 mm...
August 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28912637/prognostic-impact-of-extracapsular-lymph-node-invasion-and-myofibroblastic-activity-in-extrahepatic-bile-duct-cancer
#8
Tadashi Yoshizawa, Keinosuke Ishido, Kensuke Saito, Toshihiro Haga, Hiroko Seino, Yunyan Wu, Satoko Morohashi, Kenichi Hakamada, Hiroshi Kijima
Extrahepatic bile duct carcinoma is a potentially malignant gastrointestinal lesion. Cancer cells spread via the lymphatic system to regional lymph nodes and help in tumor progression. However, there are no reports on the prognostic impact of extracapsular lymph node invasion and myofibroblastic activity in this cancer. Hence, we classified the histopathologic patterns of lymph nodes into 2 patterns: extracapsular lymph node invasion or not. Based on this, we investigated 32 cases of extrahepatic bile duct cancer with lymph node metastasis and classified 21 cases as positive and 11 cases as negative...
2017: Clinical Medicine Insights. Pathology
https://www.readbyqxmd.com/read/28905105/diagnostic-and-prognostic-role-of-18-fdg-pet-ct-in-the-management-of-resectable-biliary-tract-cancer
#9
Ka Wing Ma, Tan To Cheung, Wong Hoi She, Kenneth Siu Ho Chok, Albert Chi Yan Chan, Wing Chiu Dai, Wan Hang Chiu, Chung Mau Lo
OBJECTIVES: Role of 18-FDG PET/CT had been well established in other more prevalent malignancies such as colorectal and lung cancer; however, this is not as well defined in cholangiocarcinoma. Literature focusing on the prognostic values of preoperative PET/CT for resectable cholangiocarcinoma is scarce. METHOD: This is a retrospective cohort of 66 consecutive patients who had received curative resection for cholangiocarcinoma from 2010 to 2015. All patients had preoperative 18-FDG PET/CT performed...
September 13, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28903446/application-of-embolization-microspheres-in-interventional-therapy-of-malignant-non-hypervascular-tumor-of-liver
#10
Huanzhang Niu, Tingwei Du, Quanping Xiao, Xin Hu, Dongmin Li, Chao Wang, Wanqin Gao, Taohong Xing, Xiangmei Xu
OBJECTIVE: To investigate the efficacy and safety of transarterial embolization (TAE) using embolization microspheres in the treatment of non-hypervascular malignant liver tumors. METHODS: Patients with malignant non-hypervascular liver tumors, who were treated with TAE using embolization microspheres, were selected and analyzed retrospectively. The technical success rate, tumor response, and complications were assessed. RESULTS: Six patients were included in the study: 1 patient each with hepatocellular-cholangiocarcinoma, intrahepatic cholangiocarcinoma, hepatic metastasis after resection of common bile duct carcinoma, liver metastasis from colon cancer, liver metastasis from esophageal cancer, and liver metastasis from pancreatic cancer...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902968/two-step-eus-guided-antegrade-treatment-of-a-difficult-bile-duct-stone-in-a-surgically-altered-anatomy-patient
#11
Yousuke Nakai, Hiroyuki Isayama, Kazuhiko Koike
EUS-guided antegrade (EUS-AG) treatment is a treatment option for bile duct stones (BDS) in surgically altered anatomy patients[1, 2] but can be technically demanding due to the limitation of stone extraction devices[3, 4]. Herein, we presented a case of a difficult BDS successfully removed by two-step EUS-AG treatment after enterobiliary fistula maturation.A 73 year-old male with a history of gastrectomy and Roux-en-Y reconstruction for gastric cancer presented with 12-mm BDS on CT scan (Figure1). This article is protected by copyright...
September 13, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28890310/evaluating-the-american-college-of-surgeons-national-surgical-quality-improvement-project-risk-calculator-results-from-the-u-s-extrahepatic-biliary-malignancy-consortium
#12
Eliza W Beal, Ezra Lyon, Joe Kearney, Lai Wei, Cecilia G Ethun, Sylvester M Black, Mary Dillhoff, Ahmed Salem, Sharon M Weber, Thuy B Tran, George Poultsides, Rivfka Shenoy, Ioannis Hatzaras, Bradley Krasnick, Ryan C Fields, Stefan Buttner, Charles R Scoggins, Robert C G Martin, Chelsea A Isom, Kamron Idrees, Harveshp D Mogal, Perry Shen, Shishir K Maithel, Timothy M Pawlik, Carl R Schmidt
BACKGROUND: The objective of this study is to evaluate use of the American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) online risk calculator for estimating common outcomes after operations for gallbladder cancer and extrahepatic cholangiocarcinoma. METHODS: Subjects from the United States Extrahepatic Biliary Malignancy Consortium (USE-BMC) who underwent operation between January 1, 2000 and December 31, 2014 at 10 academic medical centers were included in this study...
September 7, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28888976/simple-nanophotosensitizer-fabrication-using-water-soluble-chitosan-for-photodynamic-therapy-in-gastrointestinal-cancer-cells
#13
Young-Il Jeong, Byungyoul Cha, Hye Lim Lee, Yeon Hui Song, Yun Hye Jung, Tae Won Kwak, Changyong Choi, Gyeong-Won Jeong, Jae Woon Nah, Dae Hwan Kang
The polysaccharide chitosan has abundant cationic amine groups, and can form ion-complexes with anionic molecules such as the strong photosensitizer chlorin e6 (Ce6). In this study, water-soluble chitosan (WSC) was used to fabricate Ce6-incorporated nanophotosensitizers (Abbreviated as ChitoCe6 nanophotosensitizer) via a self-assembling process. This was accomplished by dissolving WSC in pure water and then directly mixing the solution with solid Ce6 causing ion complex formation between WSC and Ce6. The resulting nanophotosensitizer was spherical in shape and had a particle size of less than 300nm...
September 6, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28875312/indication-of-extrahepatic-bile-duct-resection-for-gallbladder-cancer
#14
Hiroshi Kurahara, Kosei Maemura, Yuko Mataki, Masahiko Sakoda, Satoshi Iino, Yota Kawasaki, Shinichiro Mori, Takaaki Arigami, Yuko Kijima, Hiroyuki Shinchi, Shoji Natsugoe
PURPOSE: Extrahepatic bile duct (EHBD) resection is performed as part of radical cholecystectomy for gallbladder (GB) cancer. However, the indication for EHBD resection is still controversial. The aim of the present study was to evaluate the prognostic value of this procedure. METHODS: Patients who underwent surgical resection for GB cancer with curative intent were enrolled. We divided GB cancer into two categories based on the tumor location: proximal-type and distal-type tumors...
September 5, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28871564/redefining-the-positive-margin-in-pancreatic-cancer-impact-on-patterns-of-failure-long-term-survival-and-adjuvant-therapy
#15
Arsen Osipov, Nicholas Nissen, Joanne Rutgers, Deepti Dhall, Jason Naziri, Shefali Chopra, Quanlin Li, Andrew Eugene Hendifar, Richard Tuli
PURPOSE: There is debate regarding the definition and clinical significance of margin clearance in pancreatic ductal adenocarcinoma (PDA). A comprehensive archival analysis of surgical resection margins was performed to determine the effect on locoregional recurrence and survival, and the impact of adjuvant therapy in PDA. METHODS: We identified 105 patients with resected PDA. Pancreatic, anterior, bile duct, and posterior surgical resection margins (PM; posterior surface, uncinate and vascular groove) were identified...
September 5, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28869355/black-pigment-gallstone-inspired-platinum-chelated-bilirubin-nanoparticles-for-combined-photoacoustic-imaging-and-photothermal-therapy-of-cancers
#16
Dong Lee, Jin Kim, Yonghyun Lee, Soyoung Lee, Wenjun Miao, Hyeon Kim, Jung-Joon Min, Sangyong Jon
Bilirubin (BR), a bile pigment that exerts potent antioxidant and anti-inflammatory effects, is also a major constituent of black pigment gallstones found in bile ducts under certain pathological conditions. Inspired by the intrinsic metal-chelating power of BR found in gallstones, here we report a cisplatin-chelated BR-based nanoparticle (cisPt@BRNP) for use as a new photonic nanomedicine for combined photoacoustic imaging and photothermal therapy of cancers. The cisPt@BRNPs were prepared by simply mixing cisplatin with BRNPs, yielding ~100-nm-size nanoparticles...
September 4, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28868483/ampullary-metastasis-from-breast-cancer-a-rare-cause-of-obstructive-jaundice
#17
Sílvia Giestas, Sandra Lopes, Paulo Souto, Cláudia Agostinho, Ernestina Camacho, Maria Cipriano, Carlos Sofia
Breast cancer is the most common tumor in women and the first cause of death for malignancy in the female. Bile ducts are not among the common sites of metastasis from breast cancer. Few cases of obstructive jaundice due to metastatic breast cancer have been described in the literature and they mostly resulted from widespread liver metastases that eventually involved the bile ducts. We report an exceptional case of ampullary metastasis in the absence of liver metastases. Sporadic reports have been published about the involvement of the ampulla by breast cancer metastasis...
November 2016: GE Port J Gastroenterol
https://www.readbyqxmd.com/read/28862125/solitary-adrenal-metastases-from-breast-invasive-ductal-carcinoma
#18
Cezar Stroescu, Iulian Gilca, Dragoş Chirita, Radu Poenaru, Ana Puşcaşu, Diana Pescaru, Adelina Birceanu, Cornelia Niţipir, Narcis Copcă
The usual neoplastic dissease involving suprarenal glands are adrenal metastaes. The majority of suprarenal metastatic disease arise from lung cancer, followed by the stomach and colon cancer, oesophagus, the liver/bile ducts cancer and renal cell carcinoma. Invasive mammary carcinoma usually spreads to the bones, lungs, lymph nodes, liver and the brain. Adrenal gland metastases from invasive no special type carcinoma represents an extremly low rate number of cases. We discuss about a 66 year old patient who presented with a solitary adrenal metastases from triple negative breast invasive carcinoma...
July 2017: Chirurgia
https://www.readbyqxmd.com/read/28855998/surgery-is-the-preferred-treatment-for-bile-duct-hamartomas
#19
Xiao-Yu Yang, Hai-Bo Zhang, Bin Wu, Ai-Jun Li, Xiao-Hui Fu
Bile duct hamartoma (BDH) is a rare liver disease with a rising incidence in recent years. A retrospective study on BDH patients between June 2007 and December 2015 was conducted. All the medical records, including clinical, imaging and pathological characteristics, were retrieved. Follow-up data were obtained by telephone communication. The majority of the patients had no symptoms and the laboratory tests were normal. The appearance on ultrasound examination was variable. The lesion exhibited low density on plain computed tomography and no enhancement in 4 cases, and inhomogeneous enhancement in 1 case...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28846944/antegrade-jejunogastric-intussusception-and-common-bile-duct-stones-at-14-months-after-gastrectomy-and-cholecystectomy-a-case-report
#20
Yuichi Miura, Takuji Uemura, Koichiro Sato, Takayuki Abe, Tetsuya Akada, Soichi Ito, Hiroki Yamana, Hirotaka Kato
INTRODUCTION: Intussusception after gastrectomy is a minor complication after gastrectomy, while common bile duct stone (CBD) is also a rare complication post cholecystectomy. We report a case that simultaneously caused both intussusception and CBD stone following gastrectomy with prophylactic cholecystectomy. CASE PRESENTATION: A 74-year-old woman underwent distal gastrectomy with Roux-en-Y reconstruction and prophylactic cholecystectomy for gastric cancer. After 14 months, the patient reported nausea and vomiting...
August 19, 2017: International Journal of Surgery Case Reports
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