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https://www.readbyqxmd.com/read/28798812/clinical-epidemiological-and-therapeutic-profile-of-patients-with-a-retinoblastoma-diagnosis-experience-in-the-costa-rica-national-children-s-hospital-oncology-unit-from-january-2009-to-december-2015
#1
Jennie Chen Lo, Carlos Rodríguez, Rigoberto Monestel, Arnoldo Zúñiga
INTRODUCTION: Retinoblastoma represents only 3% of paediatric cancers, but it is the most prevalent intraocular tumour in this population. It develops in the retina as a primitive neuroectodermal tumour that affects development during gestation. The tumour presents in two different forms depending on whether or not it expresses a genetic modification. For patients diagnosed at preschool age, 75% are unilateral non-hereditary cases. While enucleation is the preferred treatment for advanced stages of the tumour, other modalities, such as systemic and intraocular chemotherapy, radiotherapy and local treatments with thermotherapy, cryotherapy, and brachytherapy can be used to try to preserve the eye...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28751442/towards-precision-radiotherapy-for-use-with-immune-checkpoint-blockers
#2
Claire Vanpouille-Box, Silvia C Formenti, Sandra Demaria
The first evidence that radiation therapy (RT) enhances the efficacy of immune checkpoint blockers (ICBs) was obtained a dozen years ago in a mouse model of metastatic carcinoma refractory to anti-CTLA-4 treatment. At the time, ICBs had just entered clinical testing, an endeavor that culminated in 2011 with the approval of the first anti-CTLA-4 antibody for use in metastatic melanoma patients (ipilimumab). Thereafter, some patients progressing on ipilimumab showed systemic responses only upon receiving radiation to one lesion, confirming clinically the pro-immunogenic effects of radiation...
July 27, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28749742/computed-tomographic-evaluation-of-posttreatment-soft-tissue-changes-by-using-a-lymphedema-scoring-system-in-patients-with-oral-cancer
#3
Masaya Akashi, Shun Teraoka, Yasumasa Kakei, Junya Kusumoto, Takumi Hasegawa, Tsutomu Minamikawa, Kazunobu Hashikawa, Takahide Komori
BACKGROUND: This study aimed to evaluate posttreatment soft-tissue changes in patients with oral cancer with computed tomography (CT). To accomplish that purpose, a scoring system was established, referring to the criteria of lower leg lymphedema (LE). METHODS AND RESULTS: One hundred and six necks in 95 patients who underwent oral oncologic surgery with neck dissection (ND) were analyzed retrospectively using routine follow-up CT images. A two-point scoring system to evaluate soft-tissue changes (so-called "LE score") was established as follows: Necks with a "honeycombing" appearance were assigned 1 point...
July 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28740896/the-big-data-effort-in-radiation-oncology-data-mining-or-data-farming
#4
REVIEW
Charles S Mayo, Marc L Kessler, Avraham Eisbruch, Grant Weyburne, Mary Feng, James A Hayman, Shruti Jolly, Issam El Naqa, Jean M Moran, Martha M Matuszak, Carlos J Anderson, Lynn P Holevinski, Daniel L McShan, Sue M Merkel, Sherry L Machnak, Theodore S Lawrence, Randall K Ten Haken
Although large volumes of information are entered into our electronic health care records, radiation oncology information systems and treatment planning systems on a daily basis, the goal of extracting and using this big data has been slow to emerge. Development of strategies to meet this goal is aided by examining issues with a data farming instead of a data mining conceptualization. Using this model, a vision of key data elements, clinical process changes, technology issues and solutions, and role for professional societies is presented...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28735719/treatment-with-chemotherapy-and-cognitive-functioning-among-older-adult-cancer-survivors
#5
Ruth T Morin, Elizabeth Midlarsky
OBJECTIVE: To investigate whether treatment of cancer with chemotherapy, when compared to surgery and radiation, differentially affects cognitive functioning among older adults. DESIGN: Data were examined prospectively from two years prior to cancer diagnosis to four years after cancer diagnosis. Distinct classes of cognitive functioning were identified using latent class growth analysis techniques (LCGA). Treatment type was assessed as a predictor of class membership...
July 20, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28714110/poly-vinylpyrollidone-and-selenocysteine-modified-bi2-se3-nanoparticles-enhance-radiotherapy-efficacy-in-tumors-and-promote-radioprotection-in-normal-tissues
#6
Jiangfeng Du, Zhanjun Gu, Liang Yan, Yuan Yong, Xuan Yi, Xiao Zhang, Jing Liu, Renfei Wu, Cuicui Ge, Chunying Chen, Yuliang Zhao
The development of a new generation of nanoscaled radiosensitizers that can not only enhance radiosensitization of tumor tissues, but also increase radioresistance of healthy tissue is highly desirable, but remains a great challenge. Here, this paper reports a new versatile theranostics based on poly(vinylpyrollidone)- and selenocysteine-modified Bi2 Se3 nanoparicles (PVP-Bi2 Se3 @Sec NPs) for simultaneously enhancing radiotherapeutic effects and reducing the side-effects of radiation. The as-prepared nanoparticles exhibit significantly enhanced free-radical generation upon X-ray radiation, and remarkable photothermal effects under 808 nm NIR laser irradiation because of their strong X-ray attenuation ability and high NIR absorption capability...
July 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28699409/review-of-the-effectiveness-of-enteral-feeding-in-pediatric-oncology-patients
#7
Kaleena Trimpe, Michele R Shaw, Marian Wilson, Mel R Haberman
Enteral supplementation for nutritional support in pediatric oncology patients remains nonstandardized across institutions and between providers. Pediatric oncology patients frequently fail to meet their growth curve percentiles, lose weight, and/or are malnourished due to both the oncologic process as well as side effects from chemotherapy and radiation treatments. Methods of increasing weight include enteral feeding (nasogastric, nasoduodenal/jejunal, or gastrostomy), parenteral intravenous feeding, and oral supplementation...
July 1, 2017: Journal of Pediatric Oncology Nursing: Official Journal of the Association of Pediatric Oncology Nurses
https://www.readbyqxmd.com/read/28697385/quantitative-contamination-assessment-of-escherichia-coli-in-baby-spinach-primary-production-in-spain-effects-of-weather-conditions-and-agricultural-practices
#8
Ana Allende, Irene Castro-Ibáñez, Roland Lindqvist, María Isabel Gil, Mieke Uyttendaele, Liesbeth Jacxsens
A quantitative microbial contamination model of Escherichia coli during primary production of baby spinach was developed. The model included only systematic contamination routes (e.g. soil and irrigation water) and it was used to evaluate the potential impact of weather conditions, agricultural practices as well as bacterial fitness in soil on the E. coli levels present in the crop at harvest. The model can be used to estimate E. coli contamination of baby spinach via irrigation water, via soil splashing due to irrigation water or rain events, and also including the inactivation of E...
June 27, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28690422/detection-methods-for-stochastic-gravitational-wave-backgrounds-a-unified-treatment
#9
REVIEW
Joseph D Romano, Neil J Cornish
We review detection methods that are currently in use or have been proposed to search for a stochastic background of gravitational radiation. We consider both Bayesian and frequentist searches using ground-based and space-based laser interferometers, spacecraft Doppler tracking, and pulsar timing arrays; and we allow for anisotropy, non-Gaussianity, and non-standard polarization states. Our focus is on relevant data analysis issues, and not on the particular astrophysical or early Universe sources that might give rise to such backgrounds...
2017: Living Reviews in Relativity
https://www.readbyqxmd.com/read/28681349/pharmacotherapy-of-glioblastoma-established-treatments-and-emerging-concepts
#10
REVIEW
Enrico Franceschi, Santino Minichillo, Alba A Brandes
Glioblastoma is the most frequent malignant brain tumor and is characterized by poor prognosis, increased invasiveness, and high recurrence rates. Standard treatment for glioblastoma includes maximal safe surgical resection, radiation, and chemotherapy with temozolomide. Despite treatment advances, only 15-20% of glioblastoma patients survive to 5 years, and no therapies have demonstrated a durable survival benefit in recurrent disease. In the last 10 years, significant advances in knowledge of the biology and molecular pathology of the malignancy have opened the way to new treatment options...
August 2017: CNS Drugs
https://www.readbyqxmd.com/read/28595448/do-patients-receiving-pelvic-radiation-and-anti-emetics-experience-diarrhea-and-or-constipation
#11
Leah Drost, Vithusha Ganesh, Bo Angela Wan, Carlo DeAngelis, Mark Pasetka, May Tsao, Elizabeth Barnes, Hans Chung, Edward Chow
BACKGROUND: Pelvic radiation may cause radiation enteritis, which commonly manifests as diarrhea. Radiation to the abdomen or pelvis may also cause radiation-induced nausea and vomiting (RINV) which is often treated with anti-emetics such as serotonin (5-HT3) receptor antagonists (RA). However, a common side effect of these anti-emetic medications is constipation. Both diarrhea and constipation can have a significant impact on patient quality of life (QOL). The objective of this study was to assess the prevalence of diarrhea and constipation in patients receiving pelvic radiation and anti-emetics...
June 3, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28581395/outcomes-of-routine-intensity-modulated-radiation-therapy-quality-assurance-in-a-large-head-and-neck-cancer-center
#12
Isuru Amarasena, Alan Herschtal, Ieta D'Costa, Tsien Fua, Albert Tiong, Vaughan Geddes, Phillip Tran, Chen Liu, June Corry
PURPOSE: The primary endpoint was to ascertain whether the percentage of major changes implemented from our routine intensity modulated radiation therapy (IMRT) quality assurance (QA) process was more than 10%. The secondary endpoints were to document the percentage of minor changes, ascertain the time taken to perform the IMRT QA process, evaluate potential predictors for major changes, and ascertain the perceived value of the program by the compliance of radiation oncologists (ROs) treating head and neck cancer (HNC)...
July 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28552254/a-study-of-chronic-fatigue-in-norwegian-cervical-cancer-survivors
#13
REVIEW
Rita Steen, Alv A Dahl, Siri Lothe Hess, Cecilie E Kiserud
OBJECTIVE: Chronic fatigue after treatment is a common adverse event in cancer patients, but there are few studies in long-term survivors of cervical cancer. The aim of this investigation was to explore the prevalence of chronic fatigue and its association with various clinical and treatment-related factors in a population-based cohort of Norwegian cervical cancer survivors treated by any modality. METHODS: All patients, treated for cervical cancer from 2000 through 2007 in the Health Region of South-Eastern Norway, cancer-free, alive and aged ≤75years by the end 2013 (n=822) received a questionnaire covering chronic fatigue and other clinical variables...
May 25, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28516155/phase-i-clinical-trial-of-everolimus-combined-with-trimodality-therapy-in-patients-with-muscle-invasive-bladder-cancer
#14
Bassel G Bachir, Luis Souhami, Jose João Mansure, Fabio Cury, Marie Vanhuyse, Fadi Brimo, Armen G Aprikian, Simon Tanguay, Jeremy Sturgeon, Wassim Kassouf
Background: Local control following trimodality therapy (TMT) for muscle-invasive bladder cancer (MIBC) requires further optimization. Objective: Evaluating the biologic endpoint, feasibility, and toxicity of integrating everolimus to TMT in patients with MIBC. Methods: This was a phase I trial in patients with MIBC who were not surgical candidates or who refused cystectomy. Following maximal transurethral tumor resection, patients were treated by radiotherapy (50 Gy/20 fractions), gemcitabine (100 mg/m2/weekly) and escalating doses of everolimus (2...
April 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/28427169/therapeutic-role-of-glutamine-in-management-of-radiation-enteritis-a-meta-analysis-of-13-randomized-controlled-trials
#15
REVIEW
De-Dong Cao, Hui-Lin Xu, Min Xu, Xiang-Yun Qian, Zhu-Cheng Yin, Wei Ge
OBJECTIVE: To systematically evaluate the clinical efficacy of glutamine in treating radiation enteritis in cancer patients treated with radiotherapy. METHODS: Electronic databases including Pubmed, Embase, the Cochrane library, and CNKI were systematically searched, until April 2016. Randomized controlled trials (RCT) of glutamine in the treatment of radiation enteritis in cancer patients were searched, and RevMan 5.3 software was used for Meta-analysis. RESULTS: A total of 13 RCTs were included, involving 979 patients...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416838/-clinical-research-on-robot-assisted-percutaneous-pelvic-and-acetabular-screws-surgery
#16
C P Zhao, J Q Wang, Y G Su, W Han, L Zhou, M Y Wang
OBJECTIVE: To evaluate the security and efficiency of a surgical robotic assisted percutaneous screw fixation for the treatment of pelvic and acetabular fractures. METHODS: In the study, 12 patients with pelvic and acetabular fractures who were treated in Beijing Jishuitan Hospital from January to April in 2016 were involved in this research. The research subjects were randomly divided into two groups: the experimental group and the control group. Robotic-assisted percutaneous sacroiliac screw internal fixations were performed under the guidance of fluoroscopy navigation in the experimental group; in the control group, doctors operated manually guided by fluoroscopy...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28415717/the-imidazoacridinone-c-1311-induces-p53-dependent-senescence-or-p53-independent-apoptosis-and-sensitizes-cancer-cells-to-radiation
#17
Anna Skwarska, Shaliny Ramachandran, Grzegorz Dobrynin, Katarzyna B Leszczynska, Ester M Hammond
C-1311 is a small molecule, which has shown promise in a number of pre-clinical and clinical studies. However, the biological response to C-1311 exposure is complicated and has been reported to involve a number of cell fates. Here, we investigated the molecular signaling which determines the response to C-1311 in both cancer and non-cancer cell lines. For the first time we demonstrate that the tumor suppressor, p53 plays a key role in cell fate determination after C-1311 treatment. In the presence of wild-type p53, cells exposed to C-1311 entered senescence...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28387434/incidence-of-secondary-glaucoma-after-treatment-of-uveal-melanoma-with-robotic-radiosurgery-versus-brachytherapy
#18
Jakob Siedlecki, Veronika Reiterer, Simon Leicht, Paul Foerster, Karsten Kortüm, Ulrich Schaller, Siegfried Priglinger, Christoph Fuerweger, Alexander Muacevic, Kirsten Eibl-Lindner
PURPOSE: Different modalities of radiation therapy nowadays allow for effective treatment of uveal melanoma combined with the advantage of eye preservation. However, this advantage can secondarily be impaired by radiation-related side effects. After local recurrence, secondary glaucoma (SG) has been described as second most frequent complication leading to need of enucleation. This study compares the incidence of SG after conventional Ruthenium (Ru)-106 brachytherapy (BT) versus CyberKnife robotic radiosurgery (RRS) which has been gaining importance lately as an efficient treatment option offering improved patient comfort...
April 7, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28381782/a-case-of-ileus-due-to-radiation-enteritis-19-years-after-radiotherapy
#19
Tomoyo Okumoto, Toshio Kuwai, Toshiki Yamaguchi, Sumio Iio, Hiroki Imagawa, Atsushi Yamaguchi, Hirotaka Kouno, Hiroshi Kohno
A 73-year-old female visited our hospital complaining of nausea and epigastric pain because of ileus. She had a history of two laparotomy procedures in her youth, interferon treatment for chronic hepatitis C, and radiation therapy for uterine cervical cancer 19 years ago. Transanal double-balloon enteroscopy demonstrated annular stenosis with ulceration of the anal side of the dilated small intestine. Therefore, surgical resection was performed, and late radiation enteritis was diagnosed on histopathological examination...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28358595/treatment-of-enterocutaneous-fistulas-then-and-now
#20
Luis Alfonso Ortiz, Bin Zhang, Maureen Walsh McCarthy, Haytham M A Kaafarani, Peter Fagenholz, David R King, Marc De Moya, George Velmahos, Daniel Dante Yeh
BACKGROUND: An enterocutaneous fistula (ECF) is an aberrant connection between the gastrointestinal tract and the skin or atmosphere (enteroatmospheric fistula [EAF]). Multimodal treatment includes surgical procedures, nutrition support, and wound care. We evaluated our practice and compared our outcomes with previous results published from our institution. MATERIALS AND METHODS: We performed a retrospective analysis of hospitalized ECF/EAF patients admitted between January 2011 and November 2015...
August 2017: Nutrition in Clinical Practice
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