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https://www.readbyqxmd.com/read/29773331/novel-use-of-viewray-mri-guidance-for-high-dose-rate-brachytherapy-in-the-treatment-of-cervical-cancer
#1
Huaising C Ko, Jessie Y Huang, Jessica R Miller, Rupak K Das, Charles R Wallace, Anna-Maria A De Costa, David M Francis, Margaret R Straub, Bethany M Anderson, Kristin A Bradley
PURPOSE: To characterize image quality and feasibility of using ViewRay MRI (VR)-guided brachytherapy planning for cervical cancer. METHODS AND MATERIALS: Cervical cancer patients receiving intracavitary brachytherapy with tandem and ovoids, planned using 0.35T VR MRI at our institution, were included in this series. The high-risk clinical target volume (HR-CTV), visible gross tumor volume, bladder, sigmoid, bowel, and rectum contours for each fraction of brachytherapy were evaluated for dosimetric parameters...
May 14, 2018: Brachytherapy
https://www.readbyqxmd.com/read/29702717/association-between-hormonal-contraception-and-injuries-induced-by-human-papillomavirus-in-the-uterine-cervix
#2
Lia Karina Volpato, Isabela Ribeiro Siqueira, Rodrigo Dias Nunes, Anna Paula Piovezan
OBJECTIVE:  To evaluate the association between hormonal contraception and the appearance of human papillomavirus HPV-induced lesions in the uterine cervix of patients assisted at a school outpatient clinic - ObGyn outpatient service of the Universidade do Sul de Santa Catarina. METHODS:  A case-control study, with women in fertile age, performed between 2012 and 2015. A total of 101 patients with cervical lesions secondary to HPV were included in the case group, and 101 patients with normal oncotic colpocytology, in the control group...
April 27, 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29693248/risk-for-virus-and-non-virus-related-malignancies-following-immunosuppression-in-a-cohort-of-liver-transplant-recipients-italy-1985-2014
#3
Martina Taborelli, Pierluca Piselli, Giuseppe Maria Ettorre, Augusto Lauro, Laura Galatioto, Umberto Baccarani, Maria Rendina, Sarah Shalaby, Raffaella Petrara, Francesco Nudo, Luca Toti, Daniele Sforza, Giovanni Fantola, Claudia Cimaglia, Alessandro Agresta, Giovanni Vennarecci, Antonio Daniele Pinna, Salvatore Gruttadauria, Andrea Risaliti, Alfredo Di Leo, Patrizia Burra, Massimo Rossi, Giuseppe Tisone, Fausto Zamboni, Diego Serraino
This cohort study assessed, in Italy, the overall pattern of risk for de novo malignancies following liver transplantation (LT). The study group included 2832 individuals who underwent LT between 1985 and 2014 in nine centres throughout all of Italy. Person-years (PYs) at cancer risk were computed from 30 days after LT to the date of cancer diagnosis, to the date of death, or to the end of follow-up. Excess cancer risk, as compared to the general population, was estimated using standardized incidence ratios (SIRs) and 95% confidence intervals (CIs)...
April 25, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29627691/selective-cytotoxic-and-genotoxic-activities-of-5-2-bromo-5-methoxybenzylidene-thiazolidine-2-4-dione-against-nci-h292-human-lung-carcinoma-cells
#4
Maria do D Rodrigues, Priscila B G S Santiago, Karla M R Marques, Valéria R A Pereira, Maria C A B de Castro, Jeanne C L L Cantalice, Teresinha G da Silva, Mônica L Adam, Silene C do Nascimento, Julianna F C de Albuquerque, Gardenia C G Militao
BACKGROUND: Thiazolidine-2,4-dione ring system is used as a pharmacophore to build various heterocyclic compounds aimed to interact with biological targets. In the present study, benzylidene-2,4-thiazolidinedione derivatives (compounds 2-5) were synthesized and screened against cancer cell lines and the genotoxicity and cytotoxicity of the most active compound (5) was investigated on normal and lung cancer cell line. METHODS: For in vitro cytotoxic screening, the MTT assay was used for HL60 and K562 (leukemia), MCF-7 (breast adenocarcinoma), HT29 (colon adenocarcinoma), HEp-2 (cervix carcinoma) and NCI-H292 (lung carcinoma) tumor cell lines and Alamar-blue assay was used for non-tumor cells (PBMC, human peripheral blood mononuclear cells) were used...
November 22, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29595758/surgical-treatment-of-early-stage-cervical-cancer-a-multi-institution-experience-in-2124-cases-in-the-netherlands-over-a-30-year-period
#5
Marloes Derks, Jacobus van der Velden, Cornelis D de Kroon, Hans W Nijman, Luc R C W van Lonkhuijzen, Ate G J van der Zee, Aeilko H Zwinderman, Gemma G Kenter
OBJECTIVE: This study aimed to describe the pattern of recurrence and survival related to prognostic variables, including type of surgery as a clinical variable, in patients surgically treated for early cervix cancer. METHODS: Records of 2124 patients who underwent a radical hysterectomy for International Federation of Gynaecology and Obstetrics stage I/IIA cervical cancer between 1982 and 2011 were reviewed. Clinical-pathologic prognostic variables, also including extent of parametrectomy, were identified and used in a multivariable Cox proportional hazard model to explore associations between disease-free survival (DFS) and prognostic variables...
May 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29555602/contribution-of-human-papillomavirus-in-neuroendocrine-tumors-from-a-series-of-10-575-invasive-cervical-cancer-cases
#6
Maria Alejo, Laia Alemany, Omar Clavero, Beatriz Quiros, Susana Vighi, Muhieddine Seoud, Chou Cheng-Yang, Suzanne M Garland, Nuria Juanpere, Josep Lloreta, Sara Tous, Jo Ellen Klaustermeier, Wim Quint, F Xavier Bosch, Silvia de Sanjosé, Belen Lloveras
AIMS: Neuroendocrine tumors (NET) of the cervix are rare tumors with a very aggressive course. The human papillomavirus (HPV) has been linked to its etiology. The objective of this study is to describe HPV prevalence and genotype distribution of NET. METHODS AND RESULTS: Forty-nine tumors with histological neuroendocrine features were identified among 10,575 invasive cervical cancer (ICC) cases from an international study. HPV DNA detection was done using SPF10/DEIA /LiPA25 system...
March 17, 2018: Papillomavirus Research
https://www.readbyqxmd.com/read/29449732/gastric-metastasis-from-cervix-carcer-a-case-report
#7
L De Cicco, F Crivelli, P Beretta, E Gjoni, A Merlotti, A Starace, G Marzaroli, F Pasta, T Zurleni, A Aguzzi, C Calandra, S Bracelli
Gastric metastasis by solid tumor cancer is a rare event. Concomitant metastases to other organs are frequent, so that this condition is often associated to a poor prognosis. Upper gastrointestinal bleeding and anemia are the most common presenting symptoms. We present the case of a 81 years old women previously treated for cervix carcinoma showing later a stomach metastasis. The patient is alive and disease free 39 months after salvage gastrectomy. A radical surgery in selected patients could be useful for symptom palliation and prolonged survival...
December 2017: Pathologica
https://www.readbyqxmd.com/read/29441934/implants-composed-of-digoxin-and-poly-%C3%AE%C2%B5-caprolactone-development-characterization-anti-proliferative-and-anti-angiogenic-activities
#8
F F Rodrigues, W R Braz, F B Perasoli, L G R Ferreira, L A de O Barbosa, G R Da Silva
Drug delivery systems could be applied to locally treat cervical cancer, thus preventing the drawbacks of conventional therapy. In this study, anti-proliferative and anti-angiogenic effects of digoxin incorporated into poly(ε-caprolactone) implants were evaluated, aiming at the local treatment of cervical cancer. Implants were characterized, and the in vitro release profile of digoxin was demonstrated. Anti-proliferative and anti-angiogenic activities of digoxin were investigated by using chorioallantoic membrane and human cervix carcinoma (HeLa) cells, respectively...
July 3, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29206085/reduction-in-the-burden-of-hospital-admissions-due-to-cervical-disease-from-2003-2014-in-spain
#9
Noelia López, Ángel Gil-de-Miguel, Raquel Pascual-García, Ruth Gil-Prieto
BACKGROUND: Cervix uteri cancer is the 4th most common cancer among women worldwide and the second most frequent cancer in women under 45 years old in Spain. We aimed to describe the burden of hospital admissions by malignant neoplasia (MN) and in situ carcinoma (ISC) of the cervix in Spain from 2003 to 2014, a 12-year period that included the first years after introduction of an HPV vaccination program. METHODS: This epidemiological study reviewed data from the Ministry of Health National Surveillance System, which includes more than 98% of Spanish hospitals...
December 5, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29195215/amberlite-ir-120-h-mediated-on-water-synthesis-of-fluorescent-ruthenium-ii-arene-8-hydroxyquinoline-complexes-for-cancer-therapy-and-live-cell-imaging
#10
Ashaparna Mondal, Sourav De, Santanu Maiti, Bidisha Sarkar, Ashok Kumar Sk, Rini Jacob, Anbalagan Moorthy, Priyankar Paira
A series of Ruthenium-Quinolinol complexes (3a-d &4a-d) has been synthesized by employing a simple, efficient and environmental friendly condition. Catalytic role of Amberlite IRA-120(H) has been demonstrated. The structures of the new compounds were elucidated by the analysis of spectroscopic data. The stability of these complexes was measured by UV spectroscopy & time dependent NMR spectroscopy. These newly developed complexes were represented as potential anticancer agent against human breast carcinoma cell line (MCF-7), human Epitheloid Cervix Carcinoma (HeLa), human lung adenocarcinoma epithelial cell line (A549) and human colon cancer cell line (Caco-2)...
January 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29192747/-situational-diagnosis-of-cancer-care-at-the-instituto-mexicano-del-seguro-social
#11
Sonia Patricia de Santillana-Hernández, María Teresa García-Flores, Héctor Galván-Oseguera, Gilberto Pérez-Rodríguez, Héctor David Martínez-Chapaca
Cancer is a public health problem with an impact on Health Services in Mexico; it is also, one of the leading causes of mortality (mortality rate: 610.6 / 100 000) and is expected to double the total number of new cases by 2035 (GLOBOCAN). The most frequent neoplasms are the malignant tumor of breast, prostate, cervix and uterin, colorectal and pulmonary. The most affected groups are the female, and by age the 65 years and older (INEGI). At the IMSS, the mortality rate for malignant tumors has varied, with a sustained decline since 2010...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29025352/risk-of-colorectal-polyps-and-of-malignancies-in-asymptomatic-carriers-of-mutations-in-the-main-dna-mismatch-repair-genes
#12
Maurizio Ponz de Leon, Monica Pedroni, Annalisa Pezzi, Blerta Sulce, Luca Roncucci, Federica Domati, Giuseppina Rossi, Luca Reggiani Bonetti
OBJECTIVE: Mutation carriers (Mut+) in DNA mismatch repair genes are predisposed to cancer of various organs and to adenomatous polyps; however, they may remain asymptomatic and cancer or polyp-free for several years. We purposed to analyse the clinical follow-up of individuals carrying constitutional mutations in the MLH1, MSH2 or MSH6 genes who were unaffected by benign polyps or malignant tumours at diagnosis. MATERIAL AND METHODS: Mut + subjects (n.81) were members of Lynch syndromes in whom mutations were detected between 1993 and 2015; all were asymptomatic at diagnosis...
January 2018: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29019325/ambiguity-of-whole-body-pet-ct-scans-in-diagnosis-of-co-existing-tuberculosis-and-malignancy-is-histopathological-confirmation-mandatory
#13
Prekshi Chaudhary, Sweety Gupta, Nitin Leekha, Ravi S Rajendra, Shiv S Mishra, Vandana Arora, Sudarsan De, Sandeep Agarwal
INTRODUCTION: Whole body PET CT is an important investigation tool in malignancy patients and helps in ascertaining the metabolic activity and exact stage of the disease. However, like any other investigation, false positive results do exist and certain diseases other than cancer may show increased uptake. Hence, a careful evaluation of PET CT and clinical correlation in malignancy patients is a must to accomplish the suitable treatment. METHODS: In this retrospective observational study, seven cases of cancer with concomitant tuberculosis were included...
September 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28988891/cancer-deaths-due-to-lack-of-universal-access-to-radiotherapy-in-the-brazilian-public-health-system
#14
L C Mendez, F Y Moraes, G Dos S Fernandes, E Weltman
AIMS: Radiotherapy plays a fundamental role in the treatment of cancer. Currently, the Brazilian public health system cannot match the national radiotherapy demand and many patients requiring radiotherapy are never exposed to this treatment. This study estimated the number of preventable deaths in the public health system if access to radiotherapy was universal. MATERIALS AND METHODS: Incidence rates for the year 2016 provided by Instituto Nacional de Cancer were used in this analysis...
January 2018: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28882511/-doses-to-organs-at-risk-for-conformational-and-stereotactic-radiotherapy-bladder
#15
REVIEW
L Duvergé, J Castelli, T Lizée, R de Crevoisier, D Azria
Bladder dose constraints in case of conformational radiotherapy/intensity-modulated radiotherapy and stereotactic radiotherapy are reported from the literature, in particular from the French radiotherapy society RECORAD recommendations, according to the treated pelvic tumor sites. The dose-volume effect on urinary toxicity is not clearly demonstrated, making difficult to establish absolute dose constraints for the bladder. In case of high-dose prostate cancer radiotherapy, the bladder dose constraints are: V60Gy<50% and maximum dose<80Gy for standard fractionation and V60Gy<5%, V48Gy<25% and V41Gy<50% for moderate hypofractionation (20 fractions of 3Gy)...
October 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28873443/application-of-carbon-nanoparticles-in-laparoscopic-sentinel-lymph-node-detection-in-patients-with-early-stage-cervical-cancer
#16
Yan Lu, Jin-Ying Wei, De-Sheng Yao, Zhong-Mian Pan, Yao Yao
OBJECTIVE: To investigate the value of carbon nanoparticles in identifying sentinel lymph nodes in early-stage cervical cancer. METHODS: From January 2014 to January 2016, 40 patients with cervical cancer stage IA2-IIA, based on the International Federation of Gynecology and Obstetrics (FIGO) 2009 criteria, were included in this study. The normal cervix around the tumor was injected with a total of 1 mL of carbon nanoparticles (CNP)at 3 and 9 o'clock. All patients then underwent laparoscopic pelvic lymph node dissection and radical hysterectomy...
2017: PloS One
https://www.readbyqxmd.com/read/28867617/total-reference-air-kerma-can-accurately-predict-isodose-surface-volumes-in-cervix-cancer-brachytherapy-a-multicenter-study
#17
Karen S Nkiwane, Else Andersen, Jerome Champoudry, Astrid de Leeuw, Jamema Swamidas, Jacob Lindegaard, Richard Pötter, Christian Kirisits, Kari Tanderup
PURPOSE: To demonstrate that V60 Gy, V75 Gy, and V85 Gy isodose surface volumes can be accurately estimated from total reference air kerma (TRAK) in cervix cancer MRI-guided brachytherapy (BT). METHODS AND MATERIALS: 60 Gy, 75 Gy, and 85 Gy isodose surface volumes levels were obtained from treatment planning systems (VTPS) for 239 EMBRACE study patients from five institutions treated with various dose rates, fractionation schedules and applicators. An equation for estimating VTPS from TRAK was derived...
August 31, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28808216/modeling-and-validating-three-dimensional-human-normal-cervix-and-cervical-cancer-tissues-in-vitro
#18
Anna Karolina Zuk, Xuesong Wen, Stephen Dilworth, Dong Li, Lucy Ghali
The use of three dimensional in vitro systems in cancer research is a promising path for developing effective anticancer therapies. The aim of this study was to engineer a functional 3-Din vitro model of normal and cancerous cervical tissue.Normal epithelial and immortalized cervical epithelial carcinoma cell lines were used to construct 3-D artificial normal cervical and cervical cancerous tissues. De-epidermised dermis (DED) was used as a scaffold for both models. Morphological analyses were conducted by using hematoxylin and eosin staining and characteristics of the models were studied by analyzing the expression of different structural cytokeratins and differential protein marker Mad1 using immunohistochemical technique...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28755871/cyclohexene-fused-1-3-oxazines-with-selective-antibacterial-and-antiparasitic-action-and-low-cytotoxic-effects
#19
Maria R M de Brito, Walter J Peláez, Martín S Faillace, Gardenia C G Militão, Jackson R G S Almeida, Gustavo A Argüello, Zsolt Szakonyi, Ferenc Fülöp, Maria C Salvadori, Fernanda S Teixeira, Rivelilson M Freitas, Pedro L S Pinto, Ana C Mengarda, Marcos P N Silva, Ademar A Da Silva Filho, Josué de Moraes
Oxazine derivatives, a class of heterocyclic compounds, exhibit a variety of biological properties, such as anticonvulsant and antitumor activities. In this study, we evaluated the effect of two cyclohexene-fused 1,3-oxazines (cis‑1-benzyl-N-phenyl-1,4,4a,5,8,8a-hexahydro-3,1-benzoxazin-2-imine (1) and trans‑N-phenyl-1,4,4a,5,8,8a-hexahydro-3,1-benzoxazin-2-imine (2)) in cultures of Bacillus cereus, Enterococcus faecalis, Escherichia coli, Klebsiella pneumoniae, Salmonella enterica, Serratia marcescens, Shigella flexneri and Staphylococcus aureus by the Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC)...
October 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28753926/the-prostaglandin-ep3-receptor-is-an-independent-negative-prognostic-factor-for-cervical-cancer-patients
#20
Helene Heidegger, Sebastian Dietlmeier, Yao Ye, Christina Kuhn, Aurelia Vattai, Caroline Aberl, Udo Jeschke, Sven Mahner, Bernd Kost
We know that one of the main risk factors for cervical cancer is an infection with high-risk human papillomavirus (HR-HPV). Prostaglandins and their receptors are very important for the tumour growth and tumour-associated angiogenesis. Little is known about the expression of the Prostaglandin E receptor type 3 (EP3) or the Prostaglandin (PG)E₂-EP3 signalling in cervical cancer, so the aim of the study was to analyse the expression of the EP3 receptor in cervical cancer and find prognostic factors in relation to survival; EP3 immunohistological staining of 250 cervical cancer slides was performed and analysed with a semi-quantitative score...
July 19, 2017: International Journal of Molecular Sciences
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