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https://www.readbyqxmd.com/read/28329472/metastatic-neuroendocrine-carcinoma-in-the-skin
#1
Andres Garcia, Steven Mays, Sirunya Silapunt
Cutaneous metastases secondary to neuroendocrinetumors are rare. Herein we report a case of a 75-yearoldwoman who presented with a rare cutaneousmetastatic disease. She was previously diagnosed withmetastatic neuroendocrine carcinoma of unknownprimary, with metastases to liver, lung, and bone.Biopsy of the skin lesion demonstrated archetypicalpathology and positive immunohistochemicalstaining for chromogranin A and synaptophysin. Thepatient started palliative chemo-radiation therapyand passed away soon after...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28326837/checkpoint-inhibitors-in-the-treatment-of-brain-metastases-of-non-small-cell-lung-cancer-and-melanoma
#2
Hampig Raphael Kourie, Hassan Kanaan, Gil Awada, Ahmad Hussein Awada
Brain metastases (BMs) are representing a new challenge for the oncologist; their incidence is increasing due to the better overall survival and systemic disease control in many malignancies, consequent to new potent cytotoxic and targeted therapies. In the era of immunotherapies, checkpoint inhibitors are representing a new therapeutic option in different solid tumors and settings; preliminary results showed potential activity of these agents in patients with BM, when administered as single agent or in combination with radiation therapy...
February 28, 2017: Future Oncology
https://www.readbyqxmd.com/read/28326834/thoracic-radiation-therapy-could-give-survival-benefit-to-elderly-patients-with-extensive-stage-small-cell-lung-cancer
#3
Changchun An, Wang Jing, Yan Zhang, Sujing Liu, Haiyong Wang, Kunli Zhu, Li Kong, Hongbo Guo, Hui Zhu
AIM: To evaluate the effect of thoracic radiation therapy (TRT) in elderly patients (aged ≥65 years) with extensive-stage small-cell lung cancer (ES-SCLC). PATIENTS & METHODS: This study reviewed the records of 118 elderly patients with ES-SCLC (all with distant metastasis) through January 2006-December 2013. The patients were divided into either a chemotherapy (ChT)/TRT-combination group or a ChT-alone group. RESULTS: The median survival time and 3-year overall survival rates in the ChT/TRT group were significantly higher than those in the ChT-alone group (17...
February 24, 2017: Future Oncology
https://www.readbyqxmd.com/read/28325757/loss-of-cd73-prevents-accumulation-of-alternatively-activated-macrophages-and-the-formation-of-prefibrotic-macrophage-clusters-in-irradiated-lungs
#4
Simone de Leve, Florian Wirsdörfer, Federica Cappuccini, Alexandra Schütze, Alina V Meyer, Katharina Röck, Linda F Thompson, Jens W Fischer, Martin Stuschke, Verena Jendrossek
While radiotherapy is a mainstay for cancer therapy, pneumonitis and fibrosis constitute dose-limiting side effects of thorax and whole body irradiation. So far, the contribution of immune cells to disease progression is largely unknown. Here we studied the role of ecto-5'-nucelotidase (CD73)/adenosine-induced changes in the myeloid compartment in radiation-induced lung fibrosis. C57BL/6 wild-type or CD73(-/-) mice received a single dose of whole thorax irradiation (WTI, 15 Gy). Myeloid cells were characterized in flow cytometric, histologic, and immunohistochemical analyses as well as RNA analyses...
March 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28325618/thoracic-irradiation-in-3weeks-for-limited-stage-small-cell-lung-cancer-is-twice-a-day-fractionation-really-needed
#5
G A Turgeon, L Souhami, N Kopek, V Hirsh, L Ofiara, S L Faria
PURPOSE: Many Canadian institutions treat limited-disease small cell lung cancer with 40Gy in 15 fractions delivered once-a-day in 3weeks concomitantly with chemotherapy. This regimen is convenient and seems to be effective. Here, we report and compare with a literature review the outcomes of patients with limited-stage small cell lung cancer treated in our institution with this hypofractionated regimen. PATIENTS AND METHODS: From January 2004 to December 2012, patients with limited-stage small cell lung cancer treated curatively with platinum-based chemotherapy and concurrent thoracic radiotherapy at a dose of 40Gy in 16 fractions once-a-day were eligible for this review...
March 18, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28325266/stage-i-small-cell-lung-cancer-a-new-potential-option-for-stereotactic-ablative-radiation-therapy-a-review-of-literature
#6
REVIEW
Filippo Alongi, Stefano Arcangeli, Berardino De Bari, Niccolò Giaj-Levra, Alba Fiorentino, Rosario Mazzola, Marco Trovò
Small cell lung cancer (SCLC) is relative rare histology in lung cancer patients. The standard treatment, in patients with an intra-thoracic disease, is represented by the use of concurrent chemo-radiotherapy; while patients with early SCLC stage, surgical resection could be recommended. Stereotactic body radiotherapy (SBRT) is a recently introduced technique allowing the delivery of very high radiation doses to limited target volumes and it is considered the standard approach in the treatment of not operable stage I Non Small-Cell Lung Cancer (NSCLC)...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28323575/lung-laryngeal-and-other-respiratory-cancer-incidence-among-japanese-atomic-bomb-survivors-an-updated-analysis-from-1958-through-2009
#7
Elizabeth K Cahoon, Dale L Preston, Donald A Pierce, Eric Grant, Alina V Brenner, Kiyohiko Mabuchi, Mai Utada, Kotaro Ozasa
The Life Span Study (LSS) of Japanese atomic bomb survivors is comprised of a large, population-based cohort offering one of the best opportunities to study the relationship between exposure to radiation and incidence of respiratory cancers. Risks of lung, laryngeal and other cancers of the respiratory system were evaluated among 105,444 LSS subjects followed from 1958 to 2009. During this period, we identified 2,446 lung, 180 laryngeal and 115 other respiratory (trachea, mediastinum and other ill-defined sites) first primary incident cancer cases...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28322515/high-dose-radiation-with-chemotherapy-followed-by-salvage-esophagectomy-among-patients-with-locally-advanced-esophageal-squamous-cell-carcinoma
#8
Chawalit Lertbutsayanukul, Chadin Tharavej, Naruemon Klaikeaw, Anussara Prayongrat, Chutinan Lowanitchai, Virote Sriuranpong
BACKGROUND: Locoregional failure is a major problem associated with chemoradiation treatment for squamous cell esophageal carcinoma. The aim of this study was to assess the feasibility, efficacy, and toxicity of preoperative radiation (dose > 50 Gy) with platinum-based chemotherapy followed by esophagectomy in locally advanced squamous cell carcinoma. METHODS: Data of patients with cT2-cT4 or node positive squamous cell carcinoma of the esophagus who received trimodality treatment between February 2006 and June 2015 were reviewed...
March 21, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28322297/standardized-herbal-formula-pm014-inhibits-radiation-induced-pulmonary-inflammation-in-mice
#9
Jee-Youn Kim, Dasom Shin, Gihyun Lee, Jin-Mo Kim, Dongwook Kim, Yong-Min An, Byung Rok Yoo, Hanna Chang, Miran Kim, Jaeho Cho, Hyunsu Bae
Radiation therapy is widely used for thoracic cancers. However, it occasionally causes radiation-induced lung injuries, including pneumonitis and fibrosis. Chung-Sang-Bo-Ha-Tang (CSBHT) has been traditionally used to treat chronic pulmonary disease in Korea. PM014, a modified herbal formula derived from CSBHT, contains medicinal herbs of seven species. In our previous studies, PM014 exhibited anti-inflammatory effects in a chronic obstructive pulmonary disease model. In this study, we have evaluated the effects of PM014 on radiation-induced lung inflammation...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321175/evidence-that-lifelong-low-dose-rates-of-ionizing-radiation-increase-lifespan-in-long-and-short-lived-dogs
#10
Jerry M Cuttler, Ludwig E Feinendegen, Yehoshua Socol
After the 1956 radiation scare to stop weapons testing, studies focused on cancer induction by low-level radiation. Concern has shifted to protecting "radiation-sensitive individuals." Since longevity is a measure of health impact, this analysis reexamined data to compare the effect of dose rate on the lifespans of short-lived (5% and 10% mortality) dogs and on the lifespans of dogs at 50% mortality. The data came from 2 large-scale studies. One exposed 10 groups to different γ dose rates; the other exposed 8 groups to different lung burdens of plutonium...
January 2017: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/28319436/estimating-the-risks-of-breast-cancer-radiotherapy-evidence-from-modern-radiation-doses-to-the-lungs-and-heart-and-from-previous-randomized-trials
#11
Carolyn Taylor, Candace Correa, Frances K Duane, Marianne C Aznar, Stewart J Anderson, Jonas Bergh, David Dodwell, Marianne Ewertz, Richard Gray, Reshma Jagsi, Lori Pierce, Kathleen I Pritchard, Sandra Swain, Zhe Wang, Yaochen Wang, Tim Whelan, Richard Peto, Paul McGale
Purpose Radiotherapy reduces the absolute risk of breast cancer mortality by a few percentage points in suitable women but can cause a second cancer or heart disease decades later. We estimated the absolute long-term risks of modern breast cancer radiotherapy. Methods First, a systematic literature review was performed of lung and heart doses in breast cancer regimens published during 2010 to 2015. Second, individual patient data meta-analyses of 40,781 women randomly assigned to breast cancer radiotherapy versus no radiotherapy in 75 trials yielded rate ratios (RRs) for second primary cancers and cause-specific mortality and excess RRs (ERRs) per Gy for incident lung cancer and cardiac mortality...
March 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28314668/extracellular-superoxide-dismutase-increased-the-therapeutic-potential-of-human-mesenchymal-stromal-cells-in-radiation-pulmonary-fibrosis
#12
Li Wei, Jing Zhang, Zai-Liang Yang, Hua You
BACKGROUND AIMS: Pulmonary fibrosis induced by irradiation is a significant problem of radiotherapy in cancer patients. Extracellular superoxide dismutase (SOD3) is found to be predominantly and highly expressed in the extracellular matrix of lung and plays a pivotal role against oxidative damage. Early administration of mesenchymal stromal cells (MSCs) has been demonstrated to reduce fibrosis of damaged lung. However, injection of MSCs at a later stage would be involved in fibrosis development...
March 14, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28314541/risk-of-subsequent-primary-kidney-cancer-after-another-malignancy-a-population-based-study
#13
Omar Abdel-Rahman
BACKGROUND: Population-based data on the development of kidney cancer as a second malignant neoplasm following the diagnosis of other common malignancies are rare. This clinical scenario has been evaluated within the Surveillance, Epidemiology, and End Results (SEER) database. MATERIALS AND METHODS: The SEER-9 database (1973-2013) was queried using the SEER*Stat program to determine the standardized incidence ratios (SIRs) of kidney cancer development following each one of 10 common invasive malignancies (colorectal, breast, prostate, lung, thyroid, corpus uteri, urinary bladder, kidney/renal pelvis, cutaneous melanoma, and non-Hodgkin lymphoma)...
February 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28314468/constraints-for-symptomatic-radiation-pneumonitis-of-helical-tomotherapy-hypofractionated-simultaneous-multitarget-radiotherapy-for-pulmonary-metastasis-from-hepatocellular-carcinoma
#14
Genlai Lin, Han Xiao, Zhaochong Zeng, Zhiyong Xu, Jian He, Taiwei Sun, Jin Liu, Genwu Guo, Weixing Ji, Yong Hu
BACKGROUND AND PURPOSE: This study was aimed to identify the clinical and dosimetric parameters that predict symptomatic radiation pneumonitis (SRP, radiation pneumonitis≥2 grade) in patients with pulmonary metastasis from hepatocellular carcinoma (HCC) after helical tomotherapy (HT) hypofractionated simultaneous multitarget radiotherapy. MATERIALS AND METHODS: 62 patients with 407 pulmonary metastases from HCC were consecutively treated with HT. The median radiation dose was a 49...
March 14, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28306695/lung-ultrasonography-a-practical-guide-for-cardiologists
#15
Francesco Bianco, Valentina Bucciarelli, Fabrizio Ricci, Raffaele De Caterina, Sabina Gallina
Lung ultrasonography is a well established, user-friendly and easy-to-use technique that can be used in the evaluation of several pathological conditions affecting the lung. Adding lung ultrasonography to traditional echocardiography provides an integrated cardiopulmonary ultrasound analysis. The simultaneous collection of information about the heart and the lungs can help physicians to investigate acute and chronic cardio-pulmonary conditions within a noninvasive, single-probe and all-in-one examination, not exposing the patient to the danger of ionizing radiation...
March 16, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28303893/changes-in-mirna-in-the-lung-and-whole-blood-after-whole-thorax-irradiation-in-rats
#16
Feng Gao, Pengyuan Liu, Jayashree Narayanan, Meiying Yang, Brian L Fish, Yong Liu, Mingyu Liang, Elizabeth R Jacobs, Meetha Medhora
We used a rat model of whole thorax x-ray irradiation to profile the microRNA (miRNA) in lung and blood up to 4 weeks after radiation. MiRNA from normal and irradiated Wistar rat lungs and whole blood were analyzed by next-generation sequencing and the changes by radiation were identified by differential deRNA-seq 1, 2, 3 and 4 weeks after irradiation. The average total reads/library was 2,703,137 with a mean of 88% mapping to the rat genome. Detailed profiles of 100 of the most abundant miRNA in rat blood and lung are described...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28302921/deciphering-the-acute-cellular-phosphoproteome-response-to-irradiation-with-x-rays-protons-and-carbon-ions
#17
Martin Winter, Ivana Dokic, Julian Schlegel, Uwe Warnken, Jürgen Debus, Amir Abdollahi, Martina Schnölzer
Radiotherapy is a cornerstone of cancer therapy. The recently established particle therapy with raster-scanning protons and carbon ions landmarks a new era in the field of high-precision cancer medicine. However, molecular mechanisms governing radiation induced intracellular signaling remain elusive. Here, we present the first comprehensive proteomic and phosphoproteomic study applying stable isotope labeling by amino acids in cell culture (SILAC) in combination with high-resolution mass spectrometry to decipher cellular response to irradiation with X-rays, protons and carbon ions...
March 16, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28302493/the-risk-of-second-primary-cancers-due-to-peripheral-photon-and-neutron-doses-received-during-prostate-cancer-external-beam-radiation-therapy
#18
Eva Bezak, Rundgham Takam, Eric Yeoh, Loredana G Marcu
BACKGROUND: Out-of-field organs can be affected by secondary radiations originating from high energy linear accelerators, leading to an increased risk of carcinogenesis. The aim of this work was to determine the risk of second primary cancers (SPC) in the organs distal to the prostate during 3D conformal radiotherapy. MATERIALS AND METHODS: Based on previously measured peripheral photon and neutron doses in a Rando phantom using an 18MV photon beam, SPC risks in the out-of-field organs were estimated using the linear-no-threshold and the competitive risk models...
March 13, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28301535/quantitative-assessment-of-pulmonary-alveolar-proteinosis-pap-with-ultra-dose-ct-and-correlation-with-pulmonary-function-tests-pfts
#19
Xin Sui, Qianni Du, Kai-Feng Xu, Xinlun Tian, Lan Song, Xiao Wang, Xiaoli Xu, Zixing Wang, Yuyan Wang, Jun Gu, Wei Song, Zhengyu Jin
BACKGROUND: The purpose of this study was to investigate whether ultra-low-dose chest computed tomography (CT) can be used for visual assessment of CT features in patients with pulmonary alveolar proteinosis (PAP) and to evaluate the relationship between the quantitative analysis of the ultra-low-dose CT scans and the pulmonary function tests (PFTs). METHODS: Thirty-eight patients (mean [SD] age, 44.47 [12.28] years; 29 males, 9 females) with PAP were enrolled and subjected to two scans each with low-dose CT (reference parameters: 120 kV and 50 mAs) and ultra-low-dose CT (reference parameters, 80 kV, 25 mAs)...
2017: PloS One
https://www.readbyqxmd.com/read/28301264/cardiac-events-after-radiation-therapy-combined-analysis-of-prospective-multicenter-trials-for-locally-advanced-non-small-cell-lung-cancer
#20
Robert T Dess, Yilun Sun, Martha M Matuszak, Grace Sun, Payal D Soni, Latifa Bazzi, Venkatesh L Murthy, Jason W D Hearn, Feng-Ming Kong, Gregory P Kalemkerian, James A Hayman, Randall K Ten Haken, Theodore S Lawrence, Matthew J Schipper, Shruti Jolly
Purpose Radiation therapy is a critical component in the care of patients with non-small-cell lung cancer (NSCLC), yet cardiac injury after treatment is a significant concern. Therefore, we wished to elucidate the incidence of cardiac events and their relationship to radiation dose to the heart. Patients and Materials Study eligibility criteria included patients with stage II to III NSCLC treated on one of four prospective radiation therapy trials at two centers from 2004 to 2013. All cardiac events were reviewed and graded per Common Terminology Criteria for Adverse Events (v4...
March 16, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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