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https://www.readbyqxmd.com/read/28320055/global-trends-in-esophageal-cancer
#1
Gautam K Malhotra, Ujwal Yanala, Advaitaa Ravipati, Matthew Follet, M Vijayakumar, Chandrakanth Are
BACKGROUND AND OBJECTIVES: Esophageal Cancer (EC) is a lethal malignancy with poor prognosis and significant variations in the incidence, mortality, and histopathology based on geographic regions. The aim of this study was to quantitatively analyze these variations to identify patterns and areas for further research. METHODS: We utilized the GLOBOCAN 2012, and Cancer Incidence in five Continents, Volume X (CI5X) database to analyze variations in EC incidence and mortality...
March 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28319579/vulvar-carcinosarcoma-composed-of-intestinal-type-mucinous-adenocarcinoma-associated-with-anaplastic-pleomorphic-and-spindle-cell-carcinoma-and-heterologous-chondrosarcomatous-and-osteosarcomatous-elements-a-case-report-and-review-of-the-literature
#2
Leonardo Lordello, Patricia Webb, Esther Oliva
Carcinosarcomas (CS) are exceedingly rare in the vulva, with only 3 cases reported in the English literature, associated with squamous cell carcinoma (2) or spiradenocarcinoma (1). We first report a vulvar CS with intestinal-type mucinous adenocarcinoma associated with anaplastic pleomorphic and spindle cell carcinoma and heterologous chondro- and osteosarcomatous elements in a 62-year-old woman, who presented with a painless, slow-growing vulvar cyst for almost 2 years, that rapidly enlarged and hardened in the last 4 months forming a mass...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28319496/the-utility-of-68ga-psma-pet-ct-in-poorly-differentiated-metastatic-prostate-cancer
#3
Mehmet Onur Demirkol, Murat Can Kiremit, Omer Acar, Burcu Ucar, Yesim Saglican
We aimed to emphasize how useful PSMA PET/CT findings can be while trying to restage prostate cancer after radical prostatectomy in the presence of low prostate-specific antigen values. A 64-year-old man with pT3b N1 M0 Gleason 7 adenocarcinoma of the prostate presented 5 years postoperatively with a palpable axillary mass, whereas his prostate-specific antigen was 0.08 ng/mL. Conventional imaging studies and histopathologic findings of the axillary mass biopsy revealed inconclusive results. Ga-PSMA PET/CT demonstrated PSMA-positive metastatic lesions, the largest one being located in the right axilla...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28319273/gastric-microbiota-features-associated-with-cancer-risk-factors-and-clinical-outcomes-a-pilot-study-in-gastric-cardia-cancer-patients-from-shanxi-china
#4
Guoqin Yu, Nan Hu, Lemin Wang, Chaoyu Wang, Xiao-You Han, Mike Humphry, Jacques Ravel, Christian C Abnet, Philip R Taylor, Alisa M Goldstein
Little is known about the link between gastric microbiota and the epidemiology of gastric cancer. In order to determine the epidemiologic and clinical relevance of gastric microbiota, we used 16S ribosomal RNA gene sequencing analysis to characterize the composition and structure of the gastric microbial community of 80 paired samples (non-malignant and matched tumor tissues) from gastric cardia adenocarcinoma (GCA) patients in Shanxi, China. We also used PICRUSt to predict microbial functional profiles. Compared to patients without family history of upper gastrointestinal (UGI) cancer in the non-malignant gastric tissue microbiota, patients with family history of UGI cancer had higher Helicobacter pylori (Hp) relative abundance (median: 0...
March 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28319148/the-incremental-benefit-of-eus-for-identifying-unresectable-disease-among-adults-with-pancreatic-adenocarcinoma-a-meta-analysis
#5
Paul D James, Zhao Wu Meng, Mei Zhang, Paul J Belletrutti, Rachid Mohamed, William Ghali, Derek J Roberts, Guillaume Martel, Steven J Heitman
BACKGROUND AND STUDY AIMS: It is unclear to what extent EUS influences the surgical management of patients with pancreatic adenocarcinoma. This systematic review sought to determine if EUS evaluation improves the identification of unresectable disease among adults with pancreatic adenocarcinoma. PATIENTS AND METHODS: We searched MEDLINE, EMBASE, bibliographies of included articles and conference proceedings for studies reporting original data regarding surgical management and/or survival among patients with pancreatic adenocarcinoma, from inception to January 7th 2017...
2017: PloS One
https://www.readbyqxmd.com/read/28319070/foxa1-inhibits-prostate-cancer-neuroendocrine-differentiation
#6
J Kim, H Jin, J C Zhao, Y A Yang, Y Li, X Yang, X Dong, J Yu
Neuroendocrine prostate cancer (NEPC) has increasingly become a clinical challenge. The mechanisms by which neuroendocrine (NE) cells arises from prostate adenocarcinoma cells are poorly understood. FOXA1 is a transcription factor of the forkhead family that is required for prostate epithelial differentiation. In this study, we demonstrated that FOXA1 loss drives NE differentiation, demarcated by phenotypical changes and NEPC marker expressions. Mechanistically, this is mediated by FOXA1 binding to the promoter of interleukin 8 (IL-8), a chemokine previously shown elevated in NEPC, to directly inhibit its expression...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28318614/enteric-adenocarcinoma-arising-from-a-bronchogenic-cyst
#7
Mª Teresa Gómez-Hernández, Nuria Novoa, José Luis Aranda, Marcelo F Jiménez-López
No abstract text is available yet for this article.
March 15, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28318328/estrogen-induces-cxcr4-overexpression-and-cxcr4-cxl12-pathway-activation-in-lung-adenocarcinoma-cells-in-vitro
#8
Vianey Rodriguez-Lara, González-Sánchez Ignacio, Marco A Cerbón Cervantes
PURPOSE: This study was designed to investigate whether estradiol is related to the expression of the chemokine receptor CXCR4 and its activation in lung adenocarcinoma in vitro, since lung adenocarcinomas from premenopausal women have shown high levels of CXCR4, and this expression has been associated with worse prognosis and poor survival. METHODS: The effect of 17-β-estradiol (E2) (0.03 nM-10 nM) on CXCR4 expression was analyzed in lung adenocarcinoma cell lines (SK-LU-1, H1435, H23, A549) by immunofluorescence after 24 and 72-h poststimulation...
March 20, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28318082/histopathological-tumour-viability-after-neoadjuvant-chemotherapy-influences-survival-in-resected-pancreatic-cancer-analysis-of-early-outcome-data
#9
Phil Townend, Phil R de Reuver, Terence C Chua, Anubhav Mittal, Stephen J Clark, Nick Pavlakis, Anthony J Gill, Jaswinder S Samra
BACKGROUND: Neoadjuvant therapy is increasingly recognized as an effective strategy prior to pancreatoduodenectomy. We investigate the role of neoadjuvant chemotherapy (NAC) followed by surgery and the predictive role of viable residual tumour cells histopathologically on outcomes. METHODS: The study population comprised of 195 consecutive patients with pancreatic adenocarcinoma who were treated with either NAC or a surgery-first (SF) strategy. Histopathological viable tumour cells were examined in the NAC patients and clinicopathological factors were correlated with overall survival...
March 20, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28317588/applicability-of-endoscopic-submucosal-dissection-for-undifferentiated-early-gastric-cancer-mixed-histology-of-poorly-differentiated-adenocarcinoma-and-signet-ring-cell-carcinoma-is-a-worse-predictive-factor-of-nodal-metastasis
#10
In Seob Lee, Sol Lee, Young Soo Park, Chung Sik Gong, Jeong Hwan Yook, Byung Sik Kim
BACKGROUND: Endoscopic submucosal dissection (ESD) is not considered an appropriate treatment for undifferentiated early gastric cancer (UEGC) due to the higher risk of nodal metastases. We aimed to investigate predictive factors for nodal metastases in UEGCs, determine whether the tumor histology is an independent factor for it, and explore whether ESD is applicable for UEGC. METHODS: We reviewed the medical records of 1837 patients who underwent curative gastrectomy for poorly differentiated adenocarcinoma, signet ring cell carcinoma, and a mixed type of both tumors between 2008 and 2012...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28317586/strategies-to-improve-local-control-of-resected-pancreas-adenocarcinoma
#11
Paul H Sugarbaker
BACKGROUND: Only approximately one in ten pancreas cancer patients is a candidate for potentially curative resection of this disease. Even this small fraction of patients has a poor prognosis following pancreatico-duodenectomy. The disease has an anatomic location that makes it difficult for the surgeon to maintain adequate margins of resection and prevent tumor spillage at the time of resection. Also, the disease is biologically aggressive and even with a complete visible resection of the disease, micrometastases are likely to remain behind...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28317579/the-influence-of-neural-invasion-on-survival-and-tumor-recurrence-in-pancreatic-ductal-adenocarcinoma-a-systematic-review-and-meta-analysis
#12
REVIEW
Stephan Schorn, Ihsan Ekin Demir, Bernhard Haller, Florian Scheufele, Carmen Mota Reyes, Elke Tieftrunk, Mine Sargut, Ruediger Goess, Helmut Friess, Güralp Onur Ceyhan
OBJECTIVES: To assess the impact of neural invasion/NI on overall survival/OS and tumor recurrence in pancreatic ductal adenocarcinoma/PDAC. SUMMARY BACKGROUND DATA: NI is a histopathological hallmark of PDAC. Although some studies suggested an important role for NI on OS, disease-free/DFS and progression-free survival/PFS in PDAC, there is still no consensus on the actual role of NI on survival and local recurrence in PDAC. METHODS: Pubmed, Cochrane library, Ovid and Google Scholar were screened for the terms "pancreatic ductal adenocarcinoma", "pancreatic cancer", "survival", "tumor recurrence" and "perineural invasion"...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28317452/recent-advances-in-diagnostic-testing-for-gastroesophageal-reflux-disease
#13
Rishi D Naik, Michael F Vaezi
Gastroesophageal reflux disease (GERD) has a large economic burden with important complications that include esophagitis, Barrett's esophagus, and adenocarcinoma. Despite endoscopy, validated patient questionnaires, and traditional ambulatory pH monitoring, the diagnosis of GERD continues to be challenging. Areas covered: This review will explore the difficulties in diagnosing GERD with a focus on new developments, ranging from basic fundamental changes (histology and immunohistochemistry) to direct patient care (narrow-band imaging, impedance, and response to anti-reflux surgery)...
March 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28316954/molecular-pathways-controlling-autophagy-in-pancreatic-cancer
#14
REVIEW
Maria New, Tim Van Acker, Jaclyn S Long, Jun-Ichi Sakamaki, Kevin M Ryan, Sharon A Tooze
Pancreatic ductal adenocarcinoma (PDAC) is one of the few cancer types where the 5-year survival rate shows no improvement. Despite conflicting evidence, the majority of data points to an essential role for autophagy in PDAC growth and survival, in particular constitutively activated autophagy, can provide crucial fuel to PDAC tumor cells in their nutrient-deprived environment. Autophagy, which is required for cell homeostasis, can both suppress and promote tumorigenesis and tumor survival in a context-dependent manner...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28316930/transudative-pleural-effusion-of-malignant-etiology-rare-but-real
#15
Lindsey Johnson, Hafiz Abdul Moiz Fakih, Salim Daouk, Shaheera Saleem, Ali Ataya
A 62-year-old female presented to the emergency room with one-month history of epigastric abdominal pain, nausea and vomiting. She endorsed progressive dyspnea over two weeks. CT of the abdomen demonstrated bilateral pleural effusions and pancreatic inflammation, so the working diagnosis was pancreatitis. A diagnostic thoracentesis was performed and the pleural fluid analysis was classified as transudate by Light's criteria. Given the atypical features in history and concern for malignancy, fluid was sent for cytological examination and immunohistochemistry which suggested a mucinous malignancy...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28316225/-the-clinical-impact-of-artery-first-approach-combined-with-vascular-resection-and-reconstruction-in-the-treatment-of-pancreatic-head-carcinoma
#16
J L Huang, W G Li, F Z Chen, Z J Su, F M Li, B Liu
Objective: To evaluate the application of artery first, combined vascular resection and reconstruction in the treatment of pancreatic head carcinoma. Methods: The clinical data of 13 patients with pancreatic head cancer were retrospectively analyzed from February 2014 to March 2016 in the Affiliated Hospital of Xiamen University. Preoperative computed tomography of high resolution layer or magnetic resonance imaging examination demonstrated pancreatic head carcinoma, as well as close adhesion, stenosis, compression or displacement of superior mesenteric vein or portal vein wall...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28316217/-comparison-of-the-effect-of-lymph-node-dissection-performed-by-ivor-lewis-or-left-sided-thoracic-esophagogastrectomy-for-siewert-type-%C3%A2-adenocarcinoma-of-the-esophagogastric-junction
#17
X F Duan, L Gong, M Q Ma, J Yue, P Tang, X B Shang, H J Jiang, Z T Yu
Objective: To compare the extent of lymphadenectomy and postoperative complications between Ivor-Lewis procedure and left sided thoracotomy in patients with Siewert type Ⅱ adenocarcinoma of the esophagogastric junction (AEG). Methods: The clinical data of 101 patients with Siewert type Ⅱ EG who received surgical treatment between January 2014 and September 2015 in the Department of Esophageal Cancer, Tianjin Medical University Cancer Hospital were analyzed retrospectively. These patients were divided into Ivor-Lewis group (IL, n=38) and left- sided thoracotomy group (LT, n=63) according to the operation mode...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28316214/-expression-of-tyrosine-and-threonine-protein-kinase-in-carcinogenic-process-of-colorectal-cancer-and-its-relationship-with-prognosis
#18
X L Zhang, W X Han, Y M Ma, H W Y Baohan, X H Zhao, H Y Wang
Objective: To investigate the expression of TTK (tyrosine and threonine protein kinase) in the process of colorectal cancer (CRC) development and its relationship to prognosis in CRC patients. Methods: Colitis-associated colon cancer model was induced by azoxymethane (AOM) and dextran sulfate sodium (DSS) in C57BL/6 mice. Mice at four different stages of colon cancer development were obtained, named AD1 (inflammation of the recovery), AD2 (mild dysplasia), AD3 (adenoma) and AD4 (adenocarcinoma), as well as negative control (no treatment)...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28316088/gata3-expression-in-benign-prostate-glands-with-radiation-atypia-a-diagnostic-pitfall
#19
Wei Tian, David Dorn, Shi Wei, Ronald D Sanders, Andres Matoso, Rajal B Shah, Jennifer Gordetsky
OBJECTIVE: Patients who have undergone prostate radiation are at an increased risk for developing urothelial carcinoma. Radiation changes can cause significant cytologic atypia in benign prostate glands that may mimic pagetoid spread of urothelial carcinoma. GATA3 is a common marker to differentiate prostatic adenocarcinoma from urothelial carcinoma. We investigated the expression of GATA3 in the epithelium of irradiated benign and malignant prostate tissue. METHODS: We performed a retrospective review of prostate cases with radiation atypia...
March 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28316074/a-comparison-of-alk-gene-rearrangement-and-alk-protein-expression-in-primary-lung-carcinoma-and-matched-metastasis
#20
Humberto E Trejo Bittar, Alyssa Luvison, Caitlyn Miller, Sanja Dacic
AIMS: The 2013 CAP/IASLC/AMP guideline for EGFR and ALK testing in lung carcinoma indicates that either the primary tumor or the metastasis is suitable for testing. The heterogeneity of gene mutations has been extensively studied, while similar reports on gene rearrangements are limited. The aim of this study was to determine if ALK status between primary tumor and matched metastasis differs. METHODS AND RESULTS: 15 ALK-FISH rearranged and 19 non-ALK-FISH rearranged adenocarcinomas were retrospectively collected based on availability of tissue from a matched metastatic site...
March 17, 2017: Histopathology
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