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https://www.readbyqxmd.com/read/28743829/management-of-intracranial-melanomas-in-the-era-of-precision-medicine
#1
REVIEW
Grace J Young, Wenya Linda Bi, Winona W Wu, Tanner M Johanns, Gavin P Dunn, Ian F Dunn
Melanoma is the most lethal of skin cancers, in part because of its proclivity for rapid and distant metastasis. It is also potentially the most neurotropic cancer in terms of probability of CNS metastasis from the primary lesion. Despite surgical resection and radiotherapy, prognosis remains guarded for patients with brain metastases. Over the past five years, a new domain of personalized therapy has emerged for advanced melanoma patients with the introduction of BRAF and other MAP kinase pathway inhibitors, immunotherapy, and combinatory therapeutic strategies...
July 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28740900/management-approach-for-recurrent-brain-metastases-following-upfront-radiosurgery-may-affect-risk-of-subsequent-radiation-necrosis
#2
Ali Rae, Daniel Gorovets, Paul Rava, Daniel Ebner, Deus Cielo, Timothy J Kinsella, Thomas A DiPetrillo, Jaroslaw T Hepel
PURPOSE: Many patients treated with stereotactic radiosurgery (SRS) alone as initial treatment require 1 or more subsequent salvage therapies. This study aimed to determine if commonly used salvage strategies are associated with differing risks of radiation necrosis (RN). METHODS AND MATERIALS: All patients treated with upfront SRS alone for brain metastases at our institution were retrospectively analyzed. Salvage treatment details were obtained for brain failures...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28739740/global-analysis-of-mirna-mrna-interaction-network-in-breast-cancer-with-brain-metastasis
#3
Zhixin Li, Zhiqiang Peng, Siyu Gu, Junfang Zheng, Duiping Feng, Qiong Qin, Junqi He
BACKGROUND: MicroRNAs (miRNAs) have been linked to a number of cancer types including breast cancer. The rate of brain metastases is 10-30% in patients with advanced breast cancer which is associated with poor prognosis. The potential application of miRNAs in the diagnostics and therapeutics of breast cancer with brain metastasis is an area of intense interest. In an initial effort to systematically address the differential expression of miRNAs and mRNAs in primary breast cancer which may provide clues for early detection of brain metastasis, we analyzed the consequent changes in global patterns of gene expression in Gene Expression Omnibus (GEO) data set obtained by microarray from patients with in situ carcinoma and patients with brain metastasis...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739696/differences-in-extracellular-matrix-composition-and-its-role-in-invasion-in-primary-and-secondary-intracerebral-malignancies
#4
József Virga, Csaba Dávid Szemcsák, Judit Reményi-Puskár, Judit Tóth, Tibor Hortobágyi, Éva Csősz, Gábor Zahuczky, László Szivos, Lászlo Bognár, Almos Klekner
BACKGROUND/AIM: The most common malignant primary brain tumor is glioblastoma which infiltrates the peritumoral brain, while secondary brain metastases are well demarcated malignancies. Previous research has proved the pivotal role of the changes in the extracellular matrix (ECM) in cancer cell invasion. MATERIALS AND METHODS: The mRNA expression of 40 ECM molecules was determined using qRT-PCR in 54 fresh-frozen glioblastoma and brain metastasis samples. Seventy-two samples were used to determine the levels of 20 ECM proteins...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739685/high-%C3%AE-v-integrin-level-of-cancer-cells-is-associated-with-development-of-brain-metastasis-in-athymic-rats
#5
Yingjen Jeffrey Wu, Michael A Pagel, Leslie L Muldoon, Rongwei Fu, Edward A Neuwelt
BACKGROUND/AIM: Brain metastases commonly occur in patients with malignant skin, lung and breast cancers resulting in high morbidity and poor prognosis. Integrins containing an αv subunit are cell adhesion proteins that contribute to cancer cell migration and cancer progression. We hypothesized that high expression of αv integrin cell adhesion protein promoted metastatic phenotypes in cancer cells. MATERIALS AND METHODS: Cancer cells from different origins were used and studied regarding their metastatic ability and intetumumab, anti-αv integrin mAb, sensitivity using in vitro cell migration assay and in vivo brain metastases animal models...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739316/validation-of-the-disease-specific-gpa-for-patients-with-1-to-3-synchronous-brain-metastases-in-newly-diagnosed-nsclc
#6
Neil M Woody, Matthew D Greer, Chandana A Reddy, Gregory M M Videtic, Samuel T Chao, Erin S Murphy, John H Suh, Liliana Angelov, Gene H Barnett, Michael A Vogelbaum, Kevin L Stephans
BACKGROUND: The disease-specific graded prognostic assessment (DS-GPA) for brain metastases is a powerful prognostic tool but has not been validated for patients with synchronous brain metastases (SBM) in newly diagnosed non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: We identified patients with newly diagnosed NSCLC with 1 to 3 SBM treated with stereotactic radiosurgery (SRS) between 1997 and 2012. We included patients whose brain metastases were treated with SRS alone or combined SRS and whole-brain radiotherapy (WBRT)...
July 6, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28738862/impact-of-ischemic-preconditioning-on-surgical-treatment-of-brain-tumors-a-single-center-randomized-double-blind-controlled-trial
#7
Arthur H A Sales, Melanie Barz, Stefanie Bette, Benedikt Wiestler, Yu-Mi Ryang, Bernhard Meyer, Martin Bretschneider, Florian Ringel, Jens Gempt
BACKGROUND: Postoperative ischemia is a frequent phenomenon in patients with brain tumors and is associated with postoperative neurological deficits and impaired overall survival. Particularly in the field of cardiac and vascular surgery, the application of a brief ischemic stimulus not only in the target organ but also in remote tissues can prevent subsequent ischemic damage. We hypothesized that remote ischemic preconditioning (rIPC) in patients with brain tumors undergoing elective surgical resection reduces the incidence of postoperative ischemic tissue damage and its consequences...
July 25, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28735139/cumulative-intracranial-tumor-volume-and-number-of-brain-metastasis-as-predictors-of-developing-new-lesions-after-stereotactic-radiosurgery-for-brain-metastasis
#8
Mayur Sharma, Xuefei Jia, Manmeet Ahluwalia, Gene H Barnett, Michael A Vogelbaum, Samuel T Chao, John H Suh, Erin S Murphy, Jennifer S Yu, Lilyana Angelov, Alireza M Mohammadi
INTRODUCTION: The aim of our study was to identify risk factors associated with early distant radiographic progression in patients undergoing stereotactic radiosurgery (SRS) for brain metastases (BM). METHODS: Following IRB approval, data of 1427 patients (4283 BM lesions) who were treated using SRS at Cleveland Clinic from 2000-2012 were collected. Local tumor progression (LTP), distant tumor progression (DTP) and radiographic radiation necrosis (RN) were the primary end points...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735121/survival-patterns-of-5750-srs-treated-brain-metastasis-patients-as-a-function-of-the-number-of-lesions
#9
Mir Amaan Ali, Brian R Hirshman, Bayard Wilson, Kate T Carroll, James A Proudfoot, Steven J Goetsch, John F Alksne, Kenneth Ott, Hitoshi Aiyama, Osamu Nagano, Bob S Carter, Gerald Fogarty, Angela Hong, Toru Serizawa, Masaaki Yamamoto, Clark C Chen
BACKGROUND: The number of brain metastases (BM) plays an important role in the decision between stereotactic radiosurgery (SRS) and whole brain radiation therapy (WBRT). METHODS: We analyzed the survival of 5750 SRS-treated BM patients as a function of BM number. Survival analyses were performed using Kaplan-Meier analysis as well as univariate and multivariate Cox proportional hazards models. RESULTS: BM patients were first categorized as those with 1, 2-4, and 5-10 BM based on the scheme proposed by Yamamoto et al (Lancet Oncology 2014)...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28734793/hardware-failure-in-patients-with-metastatic-cancer-to-the-spine
#10
Rachel Pedreira, Nancy Abu-Bonsrah, A Karim Ahmed, Rafael De la Garza-Ramos, C Rory Goodwin, Ziya L Gokaslan, Justin Sacks, Daniel M Sciubba
BACKGROUND: The spine is the most common site of skeletal metastases, affecting approximately 30% of individuals with cancer. The aim of surgical treatment for metastatic spine disease is generally palliative to address pain and/or neurologic compromise, significantly improving patients' quality of life. Patients with metastatic spine disease, however, represent a vulnerable cohort and may have comorbidities or previous treatments that impair the structural integrity of spinal hardware...
July 19, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28731496/prognostic-factors-for-survival-in-metastatic-renal-cell-carcinoma-patients-with-brain-metastases-receiving-targeted-therapy
#11
Ibrahim Yildiz, Ahmet Bilici, Nuri Karadurmuş, Leyla Ozer, Deniz Tural, Mehmet A Kaplan, Tülay Akman, Ibrahim V Bayoglu, Mükremin Uysal, Yaşar Yildiz, Özgür Tanriverdi, Ozan Yazici, Zeki Sürmeli, Nazim Serdar Turhal, Sevil Bavbek, Fatih Selçukbiricik, Doğan Koca, Mert Basaran
BACKGROUND: The primary objective of our study was to examine the clinical outcomes and prognosis of patients with metastatic renal cell carcinoma (mRCC) with brain metastases (BMs) receiving targeted therapy. PATIENTS AND METHODS: Fifty-eight patients from 16 oncology centers for whom complete clinical data were available were retrospectively reviewed. RESULTS: The median age was 57 years (range 30-80). Most patients underwent a nephrectomy (n = 41; 70...
July 14, 2017: Tumori
https://www.readbyqxmd.com/read/28730760/targeted-therapy-with-anaplastic-lymphoma-kinase-inhibitors-in-non-small-cell-lung-cancer-even-with-brain-metastasis
#12
Bekir Muhammet Hacioglu, Osman Kostek, Bulent Erdogan, Sernaz Uzunoglu, Irfan Cicin
The incidence of brain metastases has increased as a result of improved systemic disease control and advances in imaging. Brain metastasis can occur approximately in 25-40% of the patients with non-small cell lung cancer (NSCLC) and it is a frequent cause of death. Stereotactic radiosurgery, whole-brain radiotherapy (WBRT) or surgical resection are the local treatment modalities for brain metastases which are feasible either alone, in combination, or as sequential treatments. Resistance to systemic therapy for brain metastasis poses significant clinical problems...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28729678/tumor-ldh-a-expression-and-serum-ldh-status-are-two-metabolic-predictors-for-triple-negative-breast-cancer-brain-metastasis
#13
Tieying Dong, Zhaoliang Liu, Qijia Xuan, Zhuozhong Wang, Wenjie Ma, Qingyuan Zhang
There are limited therapeutic methods for triple negative breast cancer in the clinic, which is easy to progress into the brain to form metastatic lesions and evolve into the terminal stage. Because both the primary cancer and the brain metastasis have high glycolysis, we hypothesize that lactate dehydrogenase (LDH), which catalyzes the final step of glycolysis, may be a predictor, as well as a treatment target, for breast cancer brain metastasis. Therefore, the expression of LDH-A was detected on 119 triple negative breast cancer tissues with immunohistochemistry, and the serum LDH levels were also measured...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729049/quantification-of-metastatic-load-in-a-syngeneic-murine-model-of-metastasis
#14
Luke J Taus, Roberto E Flores, Thomas N Seyfried
Bioluminescence imaging (BLI) is an established method for evaluating metastatic load in preclinical cancer models; however, BLI can produce observational error due to differences in substrate concentration and signal depth. In our syngeneic murine model of metastasis (VM-M3), we used a quantitative polymerase chain reaction (qPCR) method of DNA quantification to bypass these limitations. Liver, spleen, and brain from VM/Dk (VM) mice bearing VM-M3 tumor cells were first imaged ex vivo with BLI. qPCR quantification of tumor cell DNA was then performed on DNA extracted from these organs...
July 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28726172/combined-treatment-for-non-small-cell-lung-cancer-and-breast-cancer-patients-with-brain-metastases-with-whole-brain-radiotherapy-and-temozolomide-a-systematic-review-and-meta-analysis
#15
REVIEW
Jingru Tian, Yien Luo, Juanjuan Xiang, Jingqun Tang
Brain metastasis is the leading cause of death among advanced non-small cell lung cancer (NSCLC) and breast cancer patients. The standard treatment for brain metastases is radiotherapy. The combination of radiotherapy and chemotherapy has been tested. However, the management of brain metastases has yet to be successful. Here, we aimed to determine the efficacy and safety of whole brain radiotherapy (WBRT) alone or in combination with temozolomide (TMZ) in NSCLC and breast cancer patients with brain metastases...
July 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28721890/the-prognostic-value-of-braf-c-kit-and-nras-mutations-in-melanoma-patients-with-brain-metastases
#16
Paul W Sperduto, Wen Jiang, Paul D Brown, Steve Braunstein, Penny Sneed, Daniel A Wattson, Helen A Shih, Ananta Bangdiwala, Ryan Shanley, Natalie A Lockney, Kathryn Beal, Emil Lou, Thomas Amatruda, William A Sperduto, John P Kirkpatrick, Norman Yeh, Laurie E Gaspar, Jason K Molitoris, Laura Masucci, David Roberge, James Yu, Veronica Chiang, Minesh Mehta
PURPOSE: Brain metastases are a common problem in patients with melanoma, but little is known about the effect of gene mutations on survival in these patients. METHODS AND MATERIALS: We created a retrospective multi-institutional database of 823 patients with melanoma and brain metastases diagnosed between 2006 and 2015. Clinical parameters, gene mutation status (BRAF, C-KIT, NRAS), and treatment were correlated with survival. Treatment patterns and outcomes were compared with a prior era (1985-2005)...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28720841/novel-immunohistochemistry-based-signatures-to-predict-metastatic-site-of-triple-negative-breast-cancers
#17
Sergey Klimov, Padmashree Cg Rida, Mohammed A Aleskandarany, Andrew R Green, Ian O Ellis, Emiel Am Janssen, Emad A Rakha, Ritu Aneja
BACKGROUND: Although distant metastasis (DM) in breast cancer (BC) is the most lethal form of recurrence and the most common underlying cause of cancer related deaths, the outcome following the development of DM is related to the site of metastasis. Triple negative BC (TNBC) is an aggressive form of BC characterised by early recurrences and high mortality. Athough multiple variables can be used to predict the risk of metastasis, few markers can predict the specific site of metastasis...
July 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28718312/gbm-skin-metastasis-a-case-report-and-review-of-the-literature
#18
Gary D Lewis, Andreana L Rivera, Ivo W Tremont-Lukats, Leomar Y Ballester-Fuentes, Yi Jonathan Zhang, Bin S Teh
Glioblastoma (GBM) is the most common type of malignant tumor found in the brain, and acts very aggressively by quickly and diffusely infiltrating the surrounding brain parenchyma. Despite its aggressive nature, GBM is rarely found to spread extracranially and develop distant metastases. The most common sites of these rare metastases are the lungs, pleura and cervical lymph nodes. There are also a few case reports of skin metastasis. We present the clinical, imaging and pathologic features of a case of a GBM with metastasis to the soft tissue scar and skin near the original craniotomy site...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28717395/brain-imaging-before-primary-lung-cancer-resection-a-controversial-topic
#19
Zoe Hudson, Eveline Internullo, Anthony Edey, Isabel Laurence, Davide Bianchi, Alfredo Addeo
OBJECTIVE: International and national recommendations for brain imaging in patients planned to undergo potentially curative resection of non-small-cell lung cancer (NSCLC) are variably implemented throughout the United Kingdom [Hudson BJ, Crawford MB, and Curtin J et al (2015) Brain imaging in lung cancer patients without symptoms of brain metastases: a national survey of current practice in EnglandClin Radiol https://doi.org/10.1016/j.crad.2015.02.007]. However, the recommendations are not based on high-quality evidence and do not take into account cost implications and local resources...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28714009/microrna-202-inhibits-cell-proliferation-migration-and-invasion-of-glioma-by-directly-targeting-metadherin
#20
Jinsheng Yang, Bo Fan, Yachao Zhao, Junchao Fang
Glioma is the most common and aggressive type of primary malignant brain tumour. Increasing evidence has revealed that microRNAs play important roles in multiple biological processes related to glioma occurrence, development, diagnosis, treatment and prognosis. MicroRNA-202 (miR-202) has been studied in several types of human cancer, whereas the biological roles of miR-202 in glioma remain unknown. The present study, aimed to investigate the expression, clinical significance and biological roles of miR-202 in glioma, as well as its underlying molecular mechanism...
July 13, 2017: Oncology Reports
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