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https://www.readbyqxmd.com/read/28100242/intraoperative-radiotherapy-in-gynaecological-and-genito-urinary-malignancies-focus-on-endometrial-cervical-renal-bladder-and-prostate-cancers
#1
REVIEW
Marco Krengli, Carla Pisani, Letizia Deantonio, Daniela Surico, Alessandro Volpe, Nicola Surico, Carlo Terrone
Intraoperative radiotherapy (IORT) refers to the delivery of a single radiation dose to a limited volume of tissue during a surgical procedure. A literature review was performed to analyze the role of IORT in gynaecological and genito-urinary cancer including endometrial, cervical, renal, bladder and prostate cancers.Literature search was performed by Pubmed and Scopus, using the words "intraoperative radiotherapy/IORT", "gynaecological cancer", "uterine/endometrial cancer", "cervical/cervix cancer", "renal/kidney cancer", "bladder cancer" and "prostate cancer"...
January 19, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28096196/craniospinal-irradiation-using-helical-tomotherapy-for-central-nervous-system-tumors
#2
Sanziana R I Schiopu, Gregor Habl, Matthias Häfner, Sonja Katayama, Klaus Herfarth, Juergen Debus, Florian Sterzing
The aim of this study was to describe early and late toxicity, survival and local control in 45 patients with primary brain tumors treated with helical tomotherapy craniospinal irradiation (HT-CSI). From 2006 to 2014, 45 patients with central nervous system malignancies were treated with HT-CSI. The most common tumors were medulloblastoma in 20 patients, ependymoma in 10 patients, intracranial germinoma (ICG) in 7 patients, and primitive neuroectodermal tumor in 4 patients. Hematological toxicity during treatment included leukopenia Grades 1-4 (6...
January 17, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28095814/risk-factors-for-aspiration-pneumonia-after-definitive-chemoradiotherapy-or-bio-radiotherapy-for-locally-advanced-head-and-neck-cancer-a-monocentric-case-control-study
#3
Sadayuki Kawai, Tomoya Yokota, Yusuke Onozawa, Satoshi Hamauchi, Akira Fukutomi, Hirofumi Ogawa, Tsuyoshi Onoe, Tetsuro Onitsuka, Takashi Yurikusa, Akiko Todaka, Takahiro Tsushima, Yukio Yoshida, Yosuke Kito, Keita Mori, Hirofumi Yasui
BACKGROUND: Chemoradiotherapy (CRT) and bio-radiotherapy (BRT) are recognized as standard therapies for head and neck cancer (HNC). Aspiration pneumonia after CRT or BRT is a common late adverse event. Our aim in this study was to evaluate the cause-specific incidence of aspiration pneumonia after CRT or BRT and to identify its clinical risk factors. METHODS: We performed a retrospective analysis of 305 patients with locally advanced HNC treated by CRT or BRT between August 2006 and April 2015...
January 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28092982/second-malignancy-risk-in-prostate-cancer-and-radiotherapy
#4
Tomer Charas, Amandeep Taggar, Michael J Zelefsky
No abstract text is available yet for this article.
January 17, 2017: Future Oncology
https://www.readbyqxmd.com/read/28091986/shift-of-microrna-profile-upon-glioma-cell-migration-using-patient-derived-spheroids-and-serum-free-conditions
#5
Sune Munthe, Bo Halle, Henning B Boldt, Helle Christiansen, Steffen Schmidt, Vivek Kaimal, Jessica Xu, Sonya Zabludoff, Jan Mollenhauer, Frantz R Poulsen, Bjarne W Kristensen
Glioblastoma multiforme (GBM) is the most frequent malignant primary brain tumor. A major reason for the overall median survival being only 14.6 months is migrating tumor cells left behind after surgery. Another major reason is tumor cells having a so-called cancer stem cell phenotype being therefore resistant towards traditional chemo- and radiotherapy. A group of novel molecular targets are microRNAs (miRNAs). MiRNAs are small non-coding RNAs exerting post-transcriptional regulation of gene expression. The aim of this study was to identify differentially expressed miRNAs in migrating GBM cells using serum-free stem cell conditions...
January 13, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28077483/primary-sarcomatoid-carcinoma-of-the-small-intestine-very-rare-and-aggressive-tumour
#6
Peter Abotaga Andrawes, Masood Shariff, Qing Chang, Roman Grinberg
Sarcomatoid carcinoma of the small intestine is a very rare and aggressive variant of small intestinal cancers with poor prognosis. The tumour primarily affects middle-aged and older patients with a mean age of 57 years at the time of presentation. We report a woman aged 58 years without any relevant medical history who presented with small intestinal obstruction. She underwent radiologic and endoscopy investigation with persistent features of small bowel obstruction. The patient was found to have a small bowel tumour causing the obstruction and underwent surgical excision of the tumour...
January 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28077014/factors-associated-with-reduced-functional-outcome-and-quality-of-life-in-patients-having-limb-sparing-surgery-for-soft-tissue-sarcomas-a-national-multicenter-study-of-128-patients
#7
Casper Saebye, Hanna M Fugloe, Tine Nymark, Akmal Safwat, Michael M Petersen, Thomas Baad-Hansen, Anders Krarup-Hansen, Johnny Keller
BACKGROUND: Limb-sparing surgery for sarcomas has become possible in most cases. However, the impact of the procedure on the functional outcome has only been investigated in a few studies. The aim of this study has been to identify tumor- and patient-related factors associated with reduced functional outcome and quality of life after limb-sparing surgery in soft tissue sarcoma patients. MATERIAL AND METHODS: In total, 128 patients (mean age = 58, female/male = 54/74) who were treated with limb-sparing surgery without bone resection for soft tissue sarcomas in Denmark during the period 1 January 2009 to 31 December 2011 were included...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28069018/intraoperative-radiation-therapy-iort-in-pancreatic-cancer
#8
REVIEW
Robert Krempien, Falk Roeder
Despite the important improvements made in the fields of surgery, chemotherapy and radiation therapy, pancreatic cancer remains one of the most lethal malignancies. Improved outcomes with novel chemotherapy regimes led again to increased attention on the role of localized radiotherapy, since local tumor progression causes significant morbidity and mortality in patients. Even after resection local failure rates are as high as 50-80%. The immediate proximity to critical structures (bone marrow, spinal cord, kidneys, liver, and intestine) limits the dose of radiation that can be administered to the tumor bed with conventional external beam radiation therapy (EBRT)...
January 10, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28068824/three-dimensional-power-doppler-ultrasound-in-the-early-assessment-of-response-to-concurrent-chemo-radiotherapy-for-advanced-cervical-cancer
#9
Yan Xu, Lijing Zhu, Tong Ru, Huanhuan Wang, Jian He, Zhengyang Zhou, Xiaofeng Yang
Background Three-dimensional power Doppler ultrasound (3D-PDU) imaging has been widely applied to the differentiation of benign and malignant cervical lesions; however, its potential value for predicting response to chemo-radiotherapy has not been fully explored. Purpose To investigate the feasibility of 3D-PDU imaging in predicting treatment response in patients receiving concurrent chemo-radiotherapy (CCRT) for advanced cervical cancer. Material and Methods Fifty-two patients with advanced cervical cancer who received CCRT underwent 3D-PDU examinations at four timepoints: pre-therapy (baseline), 1 week and 2 weeks during, as well as immediately post CCRT...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28066004/prevalence-of-psychiatric-morbidity-among-cancer-patients-hospital-based-cross-sectional-survey
#10
Mohan Roy Gopalan, Vidhukumar Karunakaran, Anil Prabhakaran, Krishnannair Lalithamma Jayakumar
AIM: To study the prevalence of Psychiatric disorders in cancer patients and to find out the factors associated with Psychiatric disorders in Cancer Patients. SETTINGS AND DESIGN: Department of Radiotherapy, Medical College, Thiruvananthapuram, cross sectional survey design was used. METHODS AND MATERIAL: Adult patients (18 years of age and above), having a diagnosis of carcinoma were selected by consecutive sampling method.A questionnaire which included back ground data, socio economic variables, treatment variables like type of malignancy, exposure to radiation & chemotherapy prior to the evaluation and current treatment, co occurring medical illness & treatment and past & family history of psychiatric illness was used to collect data...
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28061538/palliative-radiotherapy-for-skin-malignancies
#11
Winston Vuong, Jessica Lin, Randy L Wei
Palliative radiotherapy (PRT) improves patient quality of life (QoL) through alleviating cancer-associated symptoms such as pain, bleeding, and ulceration. Palliative management of patients with skin malignancies requires consideration of cosmetic and psychosocial outcomes as QoL measures. In this review, we highlight the current literature and advances in the use of PRT for patients with the three most commonly encountered forms of skin malignancies: basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and melanoma...
December 19, 2016: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28060744/targeting-macrophage-anti-tumor-activity-to-suppress-melanoma-progression
#12
REVIEW
Huafeng Wang, Lijuan Zhang, Luhong Yang, Chengfang Liu, Qi Zhang, Linjing Zhang
By phagocytosing cancer cells and their cellular debris, macrophages play a critical role in nonspecific defense (innate immunity) and, as antigen presenters, they help initiate specific defense mechanisms (adaptive immunity). Malignant melanoma is a lethal disease due to its aggressive capacity for metastasis and resistance to therapy. For decades, considerable effort has gone into development of an effective immunotherapy for treatment of metastatic melanoma. In this review, we focus on the anti-tumor activities of macrophages in melanoma and their potential as therapeutic targets in melanoma...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28059436/the-bet-bromodomain-inhibitor-jq1-suppresses-chondrosarcoma-cell-growth-via-regulation-of-yap-p21-c-myc-signaling
#13
Huan-Tian Zhang, Tao Gui, Yuan Sang, Jie Yang, Yu-Hang Li, Gui-Hong Liang, Thomas Li, Qing-Yu He, Zhen-Gang Zha
Chondrosarcoma, the second-most frequent primary bone malignancy, is generally more resistant to conventional chemotherapy and radiotherapy. Therefore, the development of an effective adjuvant therapy is necessary. Recently, targeting the epigenetic regulator such as bromodomain and extraterminal domain (BET) proteins has achieved great success. For instance, the bromodomain inhibitor JQ1 has been shown to inhibit the growth of several cancer cells both in vitro and in vivo. Herein we demonstrated that JQ1 significantly inhibited chondrosarcoma cell growth and colony formation...
January 6, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28058096/breast-ductal-carcinoma-in-situ-a-literature-review-of-adjuvant-hormonal-therapy
#14
REVIEW
Stephen Kinsey-Trotman, Zumin Shi, Beverley Fosh
This review paper analyzed publications of adjuvant tamoxifen and aromatase inhibitor use following surgery for breast ductal carcinoma in situ (DCIS). Key endpoint analyses were risk of invasive and noninvasive malignancies and new contralateral breast cancers. Metaanalysis of three studies showed a relative risk of 0.69 (95% confidence interval, 0.60-0.79, P<0.05) for breast malignancies with tamoxifen treatment in a mixed radiotherapy treatment/naïve cohort. Subgroup analysis of DCIS populations in multiple studies showed a trend to benefit with aromatase inhibitor treatment...
October 10, 2016: Oncology Reviews
https://www.readbyqxmd.com/read/28057845/targeting-the-epithelial-to-mesenchymal-transition-the-case-for-differentiation-based-therapy
#15
Diwakar R Pattabiraman, Robert A Weinberg
Although important strides have been made in targeted therapy for certain leukemias and subtypes of breast cancer, the standard of care for most carcinomas still involves chemotherapy, radiotherapy, surgery, or a combination of these. Two processes serve as obstacles to the successful treatment of carcinomas. First, a majority of deaths from these types of cancers occurs as a result of distant metastases and not the primary tumors themselves. Second, subsets of cells that are able to survive conventional therapy drive the aggressive relapse of the tumors, often in forms that are resistant to treatment...
January 5, 2017: Cold Spring Harbor Symposia on Quantitative Biology
https://www.readbyqxmd.com/read/28052685/occurrence-of-malignancies-after-kidney-transplantation-in-adults-slovak-multicenter-experience
#16
Z Zilinska, M Sersenova, M Chrastina, J Breza Sr, L Bena, T Baltesova, A Jurcina, R Roland, E Lackova, M Cellar, L Laca, I Dedinska
Malignancies are one of the three major causes of renal recipient´s death with a functioning graft after cardiovascular diseases and infections. Among the variety of risk factors, including conventional and specific to transplant recipients, the duration of immunosuppressive therapy, the intensity of therapy, and the type of immunosuppressive agent all have an impact on development of post-transplant malignancy. The aim of our retrospective study was to document the incidence, the type of malignancies, the patient/graft survival in the group of kidney transplant recipients in Slovak Republic, and to identify the factors which influenced the outcome...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28049538/risk-of-second-cancer-following-radiotherapy-for-prostate-cancer-a-population-based-analysis
#17
Nina-Sophie Hegemann, Anne Schlesinger-Raab, Ute Ganswindt, Claudia Hörl, Stephanie E Combs, Dieter Hölzel, Jürgen E Gschwend, Christian Stief, Claus Belka, Jutta Engel
BACKGROUND: To investigate the risk of second cancer and radiation induced second cancer following prostate cancer radiotherapy. METHODS: We compared men with radiotherapy only with those treated with radical prostatectomy only and those with radiotherapy after radical prostatectomy. Cumulative incidences of second cancers were calculated. Cox analyses were performed to identify determinants influencing second cancer incidence. RESULTS: Nineteen thousand five hundred thirty eight patients were analyzed...
January 3, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28048420/su-f-r-27-use-local-shape-descriptor-based-on-geodesic-distance-to-predict-survival-in-non-small-cell-lung-cancer-after-radiotherapy
#18
H Zhang, L Yan, K Huang, F Kong, J Jin
PURPOSE: The shape of the Positron Emission Tomography (PET) image represents the heterogeneity of tumor growth in various directions, and thus could be associated with tumor malignancy. We have proposed a median geodesic distance (MGD) to represent the local complexity of the shape and use a normalized MGD (NMGD) to quantify the shape, and found a potential correlation of NMGD to survival in a 20-patient pilot study. This study was to verify the finding in a larger patient cohort. METHODS: Geodesic distance of two vertices on a surface is defined as the shortest path on the surface connecting the two vertices...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047061/su-f-r-07-radiomics-of-ct-features-and-associations-and-correlation-with-outcomes-following-lung-sbrt
#19
E Schreibmann, A Iwinski Sutter, D Whitaker, J Switchenko, E Elder, K Higgins, P Patel
OBJECTIVE: To investigate the prognostic significance of image gradients and in predicting clinical outcomes in a patients with non-small cell lung cancer treated with stereotactic body radiotherapy (SBRT) on 71 patients with 83 treated lesions. METHODS: The records of patients treated with lung SBRT were retrospectively reviewed. When applicable, SBRT target volumes were modified to exclude any overlap with pleura, chestwall, or mediastinum. The ITK software package was utilized to generate quantitative measures of image intensity, inhomogeneity, shape morphology and first and second-order CT textures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046630/su-f-t-114-a-novel-anatomically-predictive-extension-model-of-computational-human-phantoms-for-dose-reconstruction-in-retrospective-epidemiological-studies-of-second-cancer-risks-in-radiotherapy-patients
#20
G Kuzmin, C Lee, C Lee, C Pelletier, J Jung
PURPOSE: Recent advances in cancer treatments have greatly increased the likelihood of post-treatment patient survival. Secondary malignancies, however, have become a growing concern. Epidemiological studies determining secondary effects in radiotherapy patients require assessment of organ-specific dose both inside and outside the treatment field. An essential input for Monte Carlo modeling of particle transport is radiological images showing full patient anatomy. However, in retrospective studies it is typical to only have partial anatomy from CT scans used during treatment planning...
June 2016: Medical Physics
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