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https://www.readbyqxmd.com/read/29142626/resection-and-observation-for-brain-metastasis-without-prompt-postoperative-radiation-therapy
#1
Tae-Wook Song, In-Young Kim, Shin Jung, Tae-Young Jung, Kyung-Sub Moon, Woo-Youl Jang
Objective: Total resection without consecutive postoperative whole brain radiation therapy is indicated for patients with a single or two sites of brain metastasis, with close follow-up by serial magnetic resonance imaging (MRI). In this study, we explored the effectiveness, usefulness, and safety of this follow-up regimen. Methods: From January 2006 to December 2015, a total of 109 patients (76 males, 33 females) underwent tumor resection as the first treatment for brain metastases (97 patients with single metastases, 12 with two metastases)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29136066/unsuspected-lymphomatoid-granulomatosis-in-a-patient-with-antisynthetase-syndrome
#2
Stephanie L Skala, Alexandra C Hristov, Johann E Gudjonsson, May P Chan
Clinical diagnosis of lymphomatoid granulomatosis (LYG) often is difficult, especially in patients with multiple comorbidities. We present a 60-year-old woman with worsening fatigue, night sweats, unintentional weight loss, and dyspnea of 2 weeks' duration. Her medical history was remarkable for recent radiation therapy for recurrent breast cancer and antisynthetase syndrome complicated by interstitial lung disease and controlled with azathioprine. Computed tomography showed ground-glass opacities and nodular infiltrates in all lung lobes, raising concern for radiation pneumonitis and drug toxicity...
October 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29130448/a-review-on-the-effects-of-current-chemotherapy-drugs-and-natural-agents-in-treating-non-small-cell-lung-cancer
#3
Chih-Yang Huang, Da-Tong Ju, Chih-Fen Chang, P Muralidhar Reddy, Bharath Kumar Velmurugan
Lung cancer is the leading cause of cancer deaths worldwide, and this makes it an attractive disease to review and possibly improve therapeutic treatment options. Surgery, radiation, chemotherapy, targeted treatments, and immunotherapy separate or in combination are commonly used to treat lung cancer. However, these treatment types may cause different side effects, and chemotherapy-based regimens appear to have reached a therapeutic plateau. Hence, effective, better-tolerated treatments are needed to address and hopefully overcome this conundrum...
December 2017: BioMedicine
https://www.readbyqxmd.com/read/29128167/a-prospective-evaluation-of-hippocampal-radiation-dose-volume-effects-and-memory-deficits-following-cranial-irradiation
#4
Ting Martin Ma, Jimm Grimm, Riley McIntyre, Heather Anderson-Keightly, Lawrence R Kleinberg, Russell K Hales, Joseph Moore, Tracy Vannorsdall, Kristin J Redmond
BACKGROUND AND PURPOSE: To prospectively evaluate hippocampal radiation dose volume effects and memory decline following cranial irradiation. MATERIAL AND METHODS: Effects of hippocampal radiation over a wide range of doses were investigated by combining data from three prospective studies. In one, adults with small cell lung cancer received hippocampal-avoidance prophylactic cranial irradiation. In the other two, adults with glioblastoma multiforme received neural progenitor cell sparing radiation or no sparing with extra dose delivered to subventricular zone...
November 8, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29127482/a-single-low-dose-of-fe-ions-can-cause-long-term-biological-responses-in-nl20-human-bronchial-epithelial-cells
#5
Qianlin Cao, Wei Liu, Jingdong Wang, Jianping Cao, Hongying Yang
Space radiation cancer risk may be a potential obstacle for long-duration spaceflight. Among all types of cancer space radiation may induce, lung cancer has been estimated to be the largest potential risk. Although previous animal study has shown that Fe ions, the most important contributor to the total dose equivalent of space radiation, induced a higher incidence of lung tumorigenesis per dose than X-rays, the underlying mechanisms at cellular level remained unclear. Therefore, in the present study, we investigated long-term biological changes in NL20 human bronchial epithelial cells after exposure to Fe ion or X-ray irradiation...
November 10, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29126495/surgical-management-of-oral-cancer
#6
REVIEW
Rabie M Shanti, Bert W O'Malley
Today, most head and neck cancer subsites, such as the larynx, hypopharynx, nasopharynx, and oropharynx, are treated with radiation therapy with or without chemotherapy as a primary treatment modality. Surgery is reserved for the salvage of recurrent tumors that occur within the head and neck in the absence of distant (ie, lung, liver) metastasis. However, unlike all other head and neck subsites, oral cancer should ideally be managed with primary surgery with the possibility of adjuvant radiation therapy with or without chemotherapy depending on the presence of certain high-risk pathologic features...
January 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29125868/local-thoracic-therapy-improve-prognosis-for-stage-iv-non-small-cell-lung-cancer-patients-combined-with-chemotherapy-a-surveillance-epidemiology-and-end-results-database-analysis
#7
Kaitai Liu, Dawei Zheng, GuoDong Xu, Zhennan Du, Shibo Wu
Patients with stage IV non-small cell lung cancer (NSCLC) comprise a heterogeneous group, and the optimal treatment for this group of patients is complex and debatable. We aimed to assess the effect of local thoracic therapy combined with chemotherapy on cancer specific survival (CSS). To evaluate the CSS of four subgroups of patients with stage IV NSCLC according to four different treatment modalities: combined modality of Chemotherapy, Surgery, and Radiation (Chem+Sur+RT), Chemotherapy and Radiation (Chem+RT), Chemotherapy and Surgery (Chem+Sur), and Chemotherapy only (Chem Only) by analyzing the Surveillance, Epidemiology, and End Results (SEER)-registered database...
2017: PloS One
https://www.readbyqxmd.com/read/29124429/what-factors-determine-the-survival-of-patients-with-an-acute-exacerbation-of-interstitial-lung-disease-after-lung-cancer-resection
#8
Masahiro Miyajima, Atsushi Watanabe, Toshihiko Sato, Satoshi Teramukai, Masahito Ebina, Kazuma Kishi, Yukihiko Sugiyama, Haruhiko Kondo, Satoru Kobayashi, Yutaka Takahashi, Hiroyuki Ito, Ryoji Yamamoto, Shigeki Sawada, Hideki Fujimori, Kazunori Okabe, Jun Arikura, Yasushi Shintani, Hiroshige Nakamura, Shinichi Toyooka, Tohru Hasumi, Takehiro Watanabe, Yoshinobu Hata, Hisashi Iwata, Minoru Aoki, Kazuhito Funai, Shuhei Inoue, Osamu Kawashima, Tomohiko Iida, Hiroshi Date
PURPOSES: Acute exacerbation of interstitial pneumonia (AEIP) is a leading cause of death after lung cancer resection in patients with interstitial lung disease. METHODS: We retrospectively analyzed 1763 patients with non-small cell lung cancer with a clinical diagnosis of interstitial lung disease (ILD) who underwent lung cancer resection between 2000 and 2009 at 61 hospitals in Japan. AEIP occurred in 164 of 1763 (9.3%) patients with a mortality rate of 43.9% (72/164)...
November 9, 2017: Surgery Today
https://www.readbyqxmd.com/read/29122361/ventilation-measured-on-clinical-4d-cbct-increased-ventilation-accuracy-through-improved-image-quality
#9
Kasper R Jensen, Carsten Brink, Olfred Hansen, Uffe Bernchou
BACKGROUND AND PURPOSE: Ventilation measured on 4D cone-beam computed tomography (CBCT) using deformable image registration (DIR) may predict specific radiation sensitivity, but the measurement is affected by the current image quality. With 4D computed tomography (CT) measured ventilation acting as a gold standard the current study investigates if image improvements increase the accuracy of 4D-CBCT measured ventilation. MATERIAL AND METHODS: The study consists of 4D-CBCT and 4D-CT scans of 20 non-small-cell lung cancer patients...
November 6, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29122046/model-based-cost-effectiveness-of-conventional-and-innovative-chemo-radiation-in-lung-cancer
#10
Mathilda L Bongers, Dirk de Ruysscher, Cary Oberije, Philippe Lambin, Carin A Uyl-de Groot, José Belderbos, Veerle M H Coupé
INTRODUCTION: Optimizing radiotherapy with or without chemotherapy through advanced imaging and accelerated radiation schemes shows promising results in locally advanced non-small-cell lung cancer (NSCLC). This study compared the cost-effectiveness of positron emission tomography-computed tomography based isotoxic accelerated sequential chemo-radiation (SRT2) and concurrent chemo-radiation with daily low-dose cisplatin (CRT2) with standard sequential (SRT1) and concurrent chemo-radiation (CRT1)...
November 10, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/29121047/dosimetric-comparison-of-ct-guided-iodine-125-seed-stereotactic-brachytherapy-and-stereotactic-body-radiation-therapy-in-the-treatment-of-nsclc
#11
Ranran Li, Ying Zhang, Yuan Yuan, Qi Lin, Jianjian Dai, Ruicai Xu, Xudong Hu, Mingyong Han
This study aimed to assess the dosimetric differences between iodine-125 seed stereotactic brachytherapy (SBT) and stereotactic body radiation therapy (SBRT) in the treatment of non-small cell lung cancer (NSCLC). An SBT plan and an SBRT plan were generated for eleven patients with T1-2 NSCLC. Prescription of the dose and fractionation (fr) for SBRT was 48Gy/4fr. The planning aim for SBT was D90 (dose delivered to 90% of the target volume)≥120Gy. Student's paired t test was used to compare the dosimetric parameters...
2017: PloS One
https://www.readbyqxmd.com/read/29118857/analysis-of-predictive-parameters-for-the-development-of-radiation-induced-pneumonitis
#12
Toru Yamagishi, Norio Kodaka, Yoshiyuki Kurose, Kayo Watanabe, Chihiro Nakano, Kumiko Kishimoto, Takeshi Oshio, Kumiko Niitsuma, Hiroto Matsuse
INTRODUCTION: Prevention and effective treatment of radiation-induced pneumonitis (RP) could facilitate greater use of radiation therapy (RT) for lung cancer. The purpose of this study was to determine clinical parameters useful for early prediction of RP. METHODS: Blood sampling, pulmonary function testing, chest computed tomography, and bronchoalveolar lavage (BAL) were performed in patients with pathologically confirmed lung cancer who had completed ≥60 Gy of RT, at baseline, shortly after RT, and at 1 month posttreatment...
October 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/29116741/high-performance-plga-magnetic-microspheres-prepared-by-rotating-membrane-emulsification-for-transcatheter-arterial-embolization-and-magnetic-ablation-in-vx2-liver-tumors
#13
Yi-Jun Liang, Hui Yu, Guodong Feng, Linlin Zhuang, Wei Xi, Ming Ma, Jun Chen, Ning Gu, Yu Zhang
Interventional embolization is a popular minimally invasive vascular therapeutic technique and has been widely applied for hepatocellular carcinoma (HCC) therapy. However, harmful effects caused by transcatheter arterial chemoembolization (TACE) and radioembolization, such as the toxicity of chemotherapy or excessive radiation damage, are serious disadvantages and significantly reduce the therapeutic efficacy. Here, a synergistic therapeutic strategy combined transcatheter arterial embolization and magnetic ablation (TAEMA) by using PLGA-magnetic microspheres (MMs) has been successfully applied to orthotopic VX2 liver tumors of rabbits...
November 8, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29116237/advantages-of-a-technique-using-two-50-degree-arcs-in-simultaneous-integrated-boost-radiotherapy-for-left-sidebreast-cancer
#14
Dan Xi, Yun Ding, Rui Hu, Wendong Gu, Jinming Mu, Qilin Li
This study evaluated radiotherapy techniques with 15 cases for simultaneous integrated boost to treat whole left breast and tumor bed following breast conserving surgery. Treatment plans were generated using three techniques: volumetric modulated arc therapy (VMAT) with a partial arc of 190° (1ARC), VMAT with two tangential mini-arcs of 50° each (2TARC) and intensity modulated radiation therapy with four fixed angle fields (4IMRT). Dosimetric parameters for the whole breast (Target), the boost tumor bed (Boost), and surrounding normal organs were compared...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29114606/estimating-prognosis-at-the-time-of-repeat-whole-brain-radiation-therapy-for-multiple-brain-metastases-the-reirradiation-score
#15
Natalie Logie, Rachel B Jimenez, Natalie Pulenzas, Kelly Linden, Denise Ciafone, Sunita Ghosh, Yuhui Xu, Shilo Lefresne, Erin Wong, Christina H Son, Helen A Shih, William W Wong, Scott Tyldesley, Kristopher Dennis, Edward Chow, Alysa M Fairchild
Purpose: Whole brain radiation therapy (WBRT) remains the standard of care for patients with multiple brain metastases, but more than half of treated patients will develop intracranial progression. Because there is no clear consensus on the optimal therapeutic approach, a prognostic index would be helpful to guide treatment options at progression. We explored whether the recursive partitioning analysis (RPA) score prior to repeat WBRT is predictive of survival. Methods and materials: This multi-institutional pooled analysis included patients with 2 or more brain metastases from any solid primary tumor that was treated with 2 courses of WBRT...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114603/audiovisual-biofeedback-guided-breath-hold-improves-lung-tumor-position-reproducibility-and-volume-consistency
#16
Danny Lee, Peter B Greer, Carminia Lapuz, Joanna Ludbrook, Perry Hunter, Jameen Arm, Sean Pollock, Kuldeep Makhija, Ricky T O'Brien, Taeho Kim, Paul Keall
Purpose: Respiratory variation can increase the variability of tumor position and volume, accounting for larger treatment margins and longer treatment times. Audiovisual biofeedback as a breath-hold technique could be used to improve the reproducibility of lung tumor positions at inhalation and exhalation for the radiation therapy of mobile lung tumors. This study aimed to assess the impact of audiovisual biofeedback breath-hold (AVBH) on interfraction lung tumor position reproducibility and volume consistency for respiratory-gated lung cancer radiation therapy...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114599/dosimetric-and-clinical-outcomes-after-volumetric-modulated-arc-therapy-for-carcinoma-of-the-thoracic-esophagus
#17
Cai Xu, Mian Xi, Ritsuko Komaki, Peter A Balter, Meilin Huang, Brian P Hobbs, Luhua Wang, Steven H Lin
Purpose: The efficiency of radiation delivery via volumetric modulated arc therapy (VMAT) is indisputable, but outcomes after VMAT for thoracic esophageal carcinoma are largely unknown. Methods and materials: We retrospectively analyzed 65 patients with thoracic esophageal cancer who received VMAT to 50.4 Gy (range, 45-50.4 Gy) with concurrent chemotherapy from November 2012 to March 2016 at a single tertiary cancer center. We then used propensity score matching to match these 65 patients with 130 other patients treated with step-and-shoot intensity modulated radiation therapy (ssIMRT) and concurrent chemotherapy...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114598/long-term-survival-and-toxicity-outcomes-of-intensity-modulated-radiation-therapy-for-the-treatment-of-esophageal-cancer-a-large-single-institutional-cohort-study
#18
Anhui Shi, Zhongxing Liao, Pamela K Allen, Linus Ho, Mariela Blum Murphy, Dipen M Maru, Stephen G Swisher, Wayne L Hofstetter, Reza J Mehran, James D Cox, Ritsuko Komaki, Steven H Lin
Purpose: In patients with esophageal cancer (EC), intensity modulated radiation therapy (IMRT) improves dose sparing to the heart and lung, with some evidence showing clinical benefit. Herein, we report our cumulative clinical experience with the use of IMRT for EC. Methods and materials: This is a retrospective analysis of 587 patients with nonmetastatic EC who were treated consecutively with IMRT from January 2004 to June 30, 2013. All patients with stage I-IVA (American Joint Committee on Cancer 2002) received concurrent chemoradiation therapy either preoperatively or definitively...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114590/oncological-outcomes-from-trimodality-therapy-receiving-definitive-doses-of-neoadjuvant-chemoradiation-%C3%A2-60%C3%A2-gy-and-factors-influencing-consideration-for-surgery-in-stage-iii-non-small-cell-lung-cancer
#19
Melissa A L Vyfhuis, Neha Bhooshan, Whitney M Burrows, Michelle Turner, Mohan Suntharalingam, James Donahue, Elizabeth M Nichols, Josephine Feliciano, Søren M Bentzen, Shahed Badiyan, Shamus R Carr, Joseph Friedberg, Charles B Simone, Martin J Edelman, Steven J Feigenberg, Pranshu Mohindra
Purpose: Guidelines for locally advanced non-small cell lung cancer (LA-NSCLC) recommend definitive chemoradiation therapy (CRT) for cN2-N3 disease, reserving surgery for patients with minimal nodal involvement at presentation. The current literature suggests that surgery after CRT for stage III NSCLC can improve freedom-from-recurrence (FFR) but has not consistently demonstrated an improvement in overall survival, perhaps partly due to the low (45-50.4 Gy) preoperative doses delivered that result in low rates of mediastinal nodal clearance...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29113398/combing-nlr-v20-and-mean-lung-dose-to-predict-radiation-induced-lung-injury-in-patients-with-lung-cancer-treated-with-intensity-modulated-radiation-therapy-and-chemotherapy
#20
Wen-Yan Pan, Chao Bian, Guan-Lian Zou, Cui-Ying Zhang, Ping Hai, Ren Zhao, Yan-Yang Wang
The purpose was to evaluate the predictive value of baseline neutrophil to lymphocyte ratio (NLR) level in the incidence of grade 3 or higher radiation induced lung injury (RILI) for lung cancer patients. A retrospectively analysis with 166 lung cancer patients was performed. All of the enrolled patients received chemoradiotherapy at our hospital between April 2014 and May 2016. The Cox proportional hazard model was used to identify the potential risk factors for RILI. In this cohort, the incidence of grade 3 or higher RILI was 23...
October 6, 2017: Oncotarget
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