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Cervix cancer

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https://www.readbyqxmd.com/read/29031916/image-guided-adaptive-external-beam-radiation-therapy-for-cervix-cancer-evaluation-of-a-clinically-implemented-plan-of-the-day-technique
#1
Martin Buschmann, Katarina Majercakova, Alina Sturdza, Stephanie Smet, Dina Najjari, Michaela Daniel, Richard Pötter, Dietmar Georg, Yvette Seppenwoolde
BACKGROUND: Radiotherapy for cervix cancer is challenging in patients exhibiting large daily changes in the pelvic anatomy, therefore adaptive treatments (ART) have been proposed. The aim of this study was the clinical implementation and subsequent evaluation of plan-of-the-day (POTD)-ART for cervix cancer in supine positioning. The described workflow was based on standard commercial equipment and current quality assurance (QA) methods. MATERIALS AND METHODS: A POTD strategy, which employs a VMAT plan library consisting of an empty bladder plan, a full bladder plan and a motion robust backup plan, was developed...
October 11, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/29030149/clinical-management-of-women-presenting-with-field-effect-of-hpv-and-intraepithelial-disease
#2
REVIEW
T S Adams, N H Mbatani
Anogenital human papillomavirus is the most common sexually transmitted infection acquired through skin-to-skin contact. Most infections are cleared by an intact immune system. Persistence of these infections results in precancerous lesions and, eventually, to cancers of the cervix, vagina, vulva, and perianal area. The introduction of the prophylactic human papilloma virus (HPV) vaccinations may reduce the incidence of these infections, but the effect of these vaccinations will be seen only in the decades that follow...
September 6, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29029937/neoadjuvant-trials-can-accelerate-research-on-novel-systemic-treatment-modalities-in-cancer-of-the-uterine-cervix
#3
EDITORIAL
Peter A van Dam, Christian Rolfo, Rossna Ruiz
No abstract text is available yet for this article.
September 28, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29029430/methylomics-of-nitroxidative-stress-on-precancerous-cells-reveals-dna-methylation-alteration-at-the-transition-from-in-situ-to-invasive-cervical-cancer
#4
Po-Hsuan Su, Yao-Wen Hsu, Rui-Lan Huang, Yu-Chun Weng, Hui-Chen Wang, Yu-Chih Chen, Yueh-Ju Tsai, Chiou-Chung Yuan, Hung-Cheng Lai
Epigenetic dysregulation is important in cervical cancer development, but the underlying mechanism is largely unknown. Increasing evidence indicates that DNA methylation is sensitive to changes in microenvironmental factors, such as nitric oxide (NO) in the chronic inflammatory cervix. However, the epigenomic effects of NO in cancer have not been investigated. In this study, we explored the methylomic effects of nitroxidative stress in HPV-immortalized precancerous cells. Chronic NO exposure promoted the acquisition of malignant phenotypes such as cell growth, migration, invasion, and anchorage-independent growth...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29027403/survival-of-gynecological-cancers-in-turkey-where-are-we-at
#5
Murat Gultekin, Selin Dundar, Irem Kucukyildiz, Mujdegul Zayifoglu Karaca, Guledal Boztas, Semra Hatice Turan, Ezgi Hacikamiloglu, Bekir Keskinkilic
OBJECTIVE: To investigate the 5-year relative survival rates in gynecological cancers diagnosed and treated in Turkey by year 2009 and to compare the results with developed countries. METHODS: Data of patients diagnosed for ovarian, corpus uteri or cervix uteri cancer at year 2009 are collected from 9 national cancer registry centers. Date of deaths are retracted from governmental Identity Information Sharing System (KPS). In order to calculate relative survival rates, national general population mortality tables are obtained from Turkish Statistical Institute (TurkStat)...
November 2017: Journal of Gynecologic Oncology
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
#6
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...
October 12, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29021820/introduction-of-p16-ink4a-as-a-surrogate-biomarker-for-hpv-in-women-with-invasive-cervical-cancer-in-sudan
#7
Hina Sarwath, Devendra Bansal, Nazik Elmalaika Husain, Mahmoud Mohamed, Ali A Sultan, Shahinaz Bedri
BACKGROUND: Cervical cancer is the fourth most common cancer in women worldwide with highest incidence reported in Eastern Africa in 2012. The primary goal of this study was to study the expression of p16(INK4a) in squamous cell carcinoma (SCC) of the cervix by immunohistochemistry (IHC) and determine relation with clinico-pathological parameters. This study further explored the correlation of p16(INK4a) immunostaining with another proliferation marker, Ki-67 and to study if human papillomavirus (HPV) IHC can be used as a marker for detection of virus in high-grade dysplasia...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29019326/epidemiology-and-outcomes-with-platinum-based-chemotherapy-in-recurrent-or-metastatic-carcinoma-cervix-in-a-developing-country-experience-from-a-tertiary-oncology-centre-in-southern-india
#8
K C Lakshmaiah, Aditi Harsh Thanky, D Lokanatha, K Govind Babu, Linu Jacob, Suresh Babu, A H Rudresha, K N Lokesh, L K Rajeev, Aparna Sridharmurthy
INTRODUCTION: Carcinoma cervix is the leading cause of cancer in Indian women. Recurrent/metastatic cervix is the most aggressive form of the disease. There is paucity of data in this setting in Indian women regarding outcomes with palliative chemotherapy. METHODS: We retrospectively analyzed hospital registry data between January 2013 and December 2014 for recurrent/metastatic carcinoma cervix patients who were planned for palliative chemotherapy and assessed their demographic parameters, response and survival outcomes with chemotherapy...
September 2017: Gulf Journal of Oncology
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
#9
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/28989927/metastatic-uterine-cancer-looking-as-cervical-fibroid-in-recurrent-breast-cancer-woman-a-case-report
#10
So Young Seo, Jin Yong Shin, Yong Il Ji
Metastasis to the female genital tract from extragenital primary cancer is uncommon. In this case, a 46-year-old woman was diagnosed with invasive lobular carcinoma of the left breast in 2011. She had left breast conserving surgery, chemotherapy, radiation, and hormonal therapy (gosereline and tamoxifen). However, she developed menorrhagia after interruption of hormonal therapy and incidentally, the ultrasonogram of her pelvis showed a solid, large mass in the cervix. It looked like leiomyoma. Because of massive vaginal bleeding requiring multiple blood transfusions, she underwent total hysterectomy with bilateral salpingo-oophorectomy...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28989018/optimization-of-a-vaginal-suppository-formulation-to-deliver-sheta2-as-a-novel-treatment-for-cervical-dysplasia
#11
Sanjida Mahjabeen, Manolya K Hatipoglu, Vishal Chandra, Doris M Benbrook, Lucila Garcia-Contreras
Cervical dysplasia induced by the human papilloma virus (HPV) unpredictably progresses to cervical cancer. Therapeutic options are invasive and affect the patient's quality of life. SHetA2 has demonstrated therapeutic efficacy against human and murine HPV- induced tumors, but its oral bioavailability is <1%. An optimized vaginal suppository formulation can deliver SHetA2 in sufficient doses to prevent cervical dysplasia. The quality by design (QbD) approach was employed to optimize the suppository formulation consisting of cocoa butter as base with 5% Kolliphor and 40% SHetA2...
October 5, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28988891/cancer-deaths-due-to-lack-of-universal-access-to-radiotherapy-in-the-brazilian-public-health-system
#12
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...
October 5, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28988767/could-lymphadenectomy-be-avoided-in-locally-advanced-cervical-cancer-patients-administered-preoperative-chemoradiation-a-large-scale-retrospective-study
#13
Gabriella Ferrandina, Mariagrazia Distefano, Floriana Mascilini, Valerio Gallotta, Vito Chiantera, Francesco Cosentino, Barbara Costantini, Alfredo Ercoli, Luigi Pedone Anchora, Francesco Fanfani, Alessandro Pasquale Margariti, Vincenzo Valentini, Giovanni Scambia
INTRODUCTION: To identify a subset of cervical cancer (CC) patients administered chemoradiation (CT/RT) plus radical surgery (RS), who can be spared lymphadenectomy, and complications. PATIENTS AND METHODS: 430 Stage IB2-IIB patients without LN involvement at imaging were accrued (March 1996-December 2015) at Gynecologic Oncology Unit of the Catholic University of Rome/Campobasso. CT/RT consisted of pelvic irradiation plus cisplatin based chemotherapy. Objective response was evaluated according to RECIST criteria; radical hysterectomy and pelvic ± aortic lymphadenectomy was attempted in patients achieving response or stable disease...
September 23, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28984674/targeted-genomic-profiling-reveals-recurrent-kras-mutations-in-mesonephric-like-adenocarcinomas-of-the-female-genital-tract
#14
Jelena Mirkovic, Marie McFarland, Elizabeth Garcia, Lynette M Sholl, Neal Lindeman, Laura MacConaill, Fei Dong, Michelle Hirsch, Marisa R Nucci, Charles M Quick, Christopher P Crum, W Glenn McCluggage, Brooke E Howitt
Mesonephric adenocarcinoma most commonly arises in the cervix and is presumed to be derived from normal or hyperplastic mesonephric remnants. It is characterized by recurrent KRAS mutations and lack of PIK3CA/PTEN alterations. Adenocarcinomas of the uterine corpus and ovary characterized by morphologic and immunophenotypic similarities to mesonephric adenocarcinoma have been reported. The pathogenesis of these tumors, which have been designated "mesonephric-like adenocarcinomas" is unknown, and it has been debated whether these represent mesonephric adenocarcinomas that arise in the endometrium/ovary or endometrioid adenocarcinomas that closely mimic mesonephric adenocarcinoma...
October 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28983158/correlation-of-two-colposcopic-indices-for-predicting-premalignant-lesions-of-cervix
#15
Sweta Kushwah, Beenu Kushwah
Cervical cancer is the second most common malignancy among women in India, mainly affecting the females of Peri-Menopausal age group. Colposcopy has been very useful for diagnosing cervical cancer to guide the biopsy. Reids and Scalzi proposed the Reids Colposcopic Index (RCI) to make colposcopic diagnosis less subjective, which is currently the most accepted scoring system. Recognizing the correlation of size of the lesion with likelihood of harbouring high grade disease, a new scoring system, the Swede score, has been devised by Strander et al in 2005...
July 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28978708/suppression-of-microrna-424-levels-by-human-papillomavirus-proteins-is-necessary-for-differentiation-dependent-genome-amplification
#16
Shiyuan Hong, Shouqiang Cheng, William Songock, Jason Bodily, Laimonis A Laimins
High-risk human papillomaviruses (HPVs) link their life cycle to epithelial differentiation and require activation of DNA damage pathways for efficient replication. HPVs modulate the expression of cellular transcription factors as well as cellular miRNAs to control these activities. One miRNA that has been reported to be repressed in HPV positive cancers of the cervix as well as oropharynx is miR-424. Our studies show that miR-424 levels are suppressed in cell lines that stably maintain HPV 31 or 16 episomes as well as cervical cancer lines that contain integrated genomes such as SiHa...
October 4, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28974850/difference-between-cryotherapy-and-follow-up-low-grade-squamous-lesion-of-cervix-uteri
#17
Mahira Jahic, Elmir Jahic, Mirsada Mulavdic, Azra Hadzimehmedovic
INTRODUCTION: Cervical cancer can be successfully prevented by effective treatment. AIM: Analyse of success of cryotherapy in LSIL and ASCUS. MATERIALS ET METHODS: In retrospective study between January 2016 to March 2017, 3244 PAP test were analysed. 257 patients who had been diagnosed with LSIL and ASCUS from PAP smear were divided in two groups: women who had HPV positive, colposcopic positive and cytologic finding of LSIL or ASCUS treathed with cryotherapy and women with LSIL, ASCUS and negative colposcopy...
August 2017: Medical Archives
https://www.readbyqxmd.com/read/28971824/cancer-patterns-trends-and-transitions-in-peru-a-regional-perspective
#18
REVIEW
Marion Piñeros, Willy Ramos, Sébastien Antoni, Graciela Abriata, Luis E Medina, J Jaime Miranda, Eduardo Payet, Freddie Bray
Peru, like several other South American countries, is experiencing remarkable population growth, ageing, and urbanisation, which has given rise to profound changes in its epidemiological profile. Prostate and breast cancer are the most frequent cancers in men and women, respectively, in Lima and Arequipa, the two areas with population-based cancer registries. However, infection-associated cancers (cervix and stomach) are also common, and rank highest in the national cancer mortality profile. Although a foundation of surveillance informs cancer-control initiatives in Peru, improvements in the vital statistics system, and the quality and use of incidence data for the planning and assessment of cancer prevention and control actions, are needed...
October 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28970948/hospital-based-cancer-incidence-in-nepal-from-2010-to-2013
#19
Krishna Kanta Poudel, Zhibi Huang, Prakash Raj Neupane, Roberta Steel, Janaki Kharel Poudel
BACKGROUND: Cancer is one of the leading causes of death throughout the world. Analyzing the incidence of cancer by site, sex and age is essential to detect the burden of cancer. Throughout the twelve hospital based cancer registries of Nepal, a total of 29,802 cancer cases with known age, were registered from January 1st 2010 to 2013 December 31st. The purpose of this retrospective study is to present the incidence of all cancer sites in both males and females for this period. MATERIALS AND METHODS: This paper reviews data from all the hospital based cancer registries over a four-year period...
March 2017: Nepal journal of epidemiology
https://www.readbyqxmd.com/read/28969421/polylactide-based-block-co-polymeric-micelles-loaded-with-chlorin-e6-for-photodynamic-therapy-in-vitro-evaluation-in-monolayer-and-3d-spheroid-models
#20
Preeti Kumari, Shreya Jain, Balaram Ghosh, Vladimir Petrovich Zorin, Swati Biswas
Recently, photodynamic therapy (PDT) has found wide application as a non-invasive treatment modality for several cancers. However, the suboptimal delivery of photosensitizers (PSs) to the tumor site is a drawback, which inhibits the effectiveness of PDT. Hydrophobicity, strong oxygen and light dependence, and limited tissue penetrability of photosensitizers represent the major barriers to the clinical application of PDT. In order to improve biopharmaceutical properties of a clinically approved photosensitizer Chlorin e6 (Ce6), we developed a nano-formulation encapsulating Ce6 in methoxy-poly(ethylene glycol)-poly(D,L-lactide) (mPEG-PLA) co-polymeric micelles...
October 2, 2017: Molecular Pharmaceutics
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