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Radiology, imaging, oncology

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https://www.readbyqxmd.com/read/28649001/a-european-randomised-controlled-trial-of-the-addition-of-etoposide-to-standard-vincristine-and-carboplatin-induction-as-part-of-an-18-month-treatment-programme-for-childhood-%C3%A2-16%C3%A2-years-low-grade-glioma%C3%A2-a-final-report
#1
Astrid K Gnekow, David A Walker, Daniela Kandels, Susan Picton, Giorgio Perilongo, Jacques Grill, Tore Stokland, Per Eric Sandstrom, Monika Warmuth-Metz, Torsten Pietsch, Felice Giangaspero, René Schmidt, Andreas Faldum, Denise Kilmartin, Angela De Paoli, Gian Luca De Salvo
BACKGROUND: The use of chemotherapy to manage newly diagnosed low grade glioma (LGG) was first introduced in the 1980s. One randomised trial has studied two- versus four-drug regimens with a duration of 12 months of treatment after resection. METHODS: Within the European comprehensive treatment strategy for childhood LGG, the International Society of Paediatric Oncology-Low Grade Glioma (SIOP LGG) Committee launched a randomised trial involving 118 institutions and 11 countries to investigate the addition of etoposide (100 mg/m(2), days 1, 2 & 3) to a four-course induction of vincristine (1...
June 22, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28640950/development-of-a-monte-carlo-multiple-source-model-for-inclusion-in-a-dose-calculation-auditing-tool
#2
Austin M Faught, Scott E Davidson, Jonas Fontenot, Stephen F Kry, Carol Etzel, Geoffrey S Ibbott, David S Followill
PURPOSE: The Imaging and Radiation Oncology Core Houston (IROC-H) (formerly the Radiological Physics Center) has reported varying levels of agreement in their anthropomorphic phantom audits. There is reason to believe one source of error in this observed disagreement is the accuracy of the dose calculation algorithms and heterogeneity corrections used. To audit this component of the radiotherapy treatment process an independent dose calculation tool is needed. METHODS: Monte Carlo multiple source models for Elekta 6MV and 10MV therapeutic x-ray beams were commissioned based on measurement of central axis depth dose data for a 10 x 10 cm(2) field size and dose profiles for a 40 x 40 cm(2) field size...
June 22, 2017: Medical Physics
https://www.readbyqxmd.com/read/28635336/new-advances-in-focal-therapy-for-early-stage-prostate-cancer
#3
Kae Jack Tay, Ariel A Schulman, Christina Sze, Efrat Tsivian, Thomas J Polascik
Prostate focal therapy offers men the opportunity to achieve oncological control while preserving sexual and urinary function. The prerequisites for successful focal therapy are to accurately identify, localize and completely ablate the clinically significant cancer(s) within the prostate. We aim to evaluate the evidence for current and upcoming technologies that could shape the future of prostate cancer focal therapy in the next five years. Areas Covered: Current literature on advances in patient selection using imaging, biopsy and biomarkers, ablation techniques and adjuvant treatments for focal therapy are summarized...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28631160/role-of-imaging-in-the-follow-up-of-t2-t3-glottic-cancer-treated-by-transoral-laser-microsurgery
#4
Filippo Marchi, Cesare Piazza, Marco Ravanelli, Giovanna Gaggero, Giampiero Parrinello, Alberto Paderno, Pietro Perotti, Marta Filauro, Roberto Maroldi, Giorgio Peretti
An unblinded retrospective analysis of prospectively collected data was carried out on 138 patients affected by glottic pT2 and selected pT3 squamous cell carcinomas (SCC) treated by transoral laser microsurgery (TLM). The entire cohort was divided into two groups: Group A included 78 "high-risk" patients (pT2 with impaired vocal cord mobility, pT3 for anterior paraglottic and/or pre-epiglottic space invasion, presence of angioembolization, perineural spread, and positive lymph nodes in the neck) who underwent postoperative surveillance by endoscopy and imaging (CT or MR), while Group B included 60 "low-risk" patients (pT2 with absence of the above-mentioned features) who underwent endoscopic follow-up alone...
June 19, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28610630/osteosarcoma-of-the-lower-limb-metastasized-to-the-septum-and-right-side-of-the-heart-a-case-report
#5
Elisha Osati, Alice Kaijage, Reuben Muta, Peter Muhoka, Merckris Mango, Peter Kisenge, Bashir Nyangasa, Pedro Pallangyo, Delillah Kimambo, Mohamed Janabi
BACKGROUND: Metastatic cardiac tumors are far more common than primary tumors. Although the hematogenous spread of osteosarcoma is well known, the imaging findings of cardiovascular involvement by osteosarcoma are seldom reported and can be difficult to recognize. CASE PRESENTATION: A 21-year-old man of African descent presented to our center complaining of shortness of breath, awareness of heart beats, easy fatigability, swelling of lower limbs, and left-side chest discomfort for the past 6 months getting worse for the last 3 months prior to his third readmission...
June 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28604382/surgical-treatment-of-gastric-stromal-tumors-laparoscopic-versus-open-approach
#6
Monica Ortenzi, Roberto Ghiselli, Luca Cardinali, Mario Guerrieri
AIM: Gastrointestinal stromal tumors (GIST) are quite rare tumors, but yet they are the most common mesenchymal lesions of gastrointestinal tract. Their outmost frequent origin site is stomach and presently surgical resection is the mainstay in the treatment of gastric non metastatic GIST. Their peculiar characteristic of growth and poor metastatic tendency make this tumors particularly prone to be managed by minimally invasive technique. Presenting our experience we want show the feasibility and safeness of laparoscopic approach for gastric GIST and its benefits versus traditional open surgery and pointing out short term and long terms outcomes...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28595812/beyond-imaging-the-promise-of-radiomics
#7
REVIEW
Michele Avanzo, Joseph Stancanello, Issam El Naqa
The domain of investigation of radiomics consists of large-scale radiological image analysis and association with biological or clinical endpoints. The purpose of the present study is to provide a recent update on the status of this rapidly emerging field by performing a systematic review of the literature on radiomics, with a primary focus on oncologic applications. The systematic literature search, performed in Pubmed using the keywords: "radiomics OR radiomic" provided 97 research papers. Based on the results of this search, we describe the methods used for building a model of prognostic value from quantitative analysis of patient images...
June 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28582371/clinical-presentation-and-anatomical-location-of-orbital-plasmacytomas
#8
Bradley A Thuro, Oded Sagiv, Roman Shinder, J Matthew Debnam, Omar Ozgur, John D Ng, Daniel Rootman, Sheeba K Thomas, Bita Esmaeli
PURPOSE: To evaluate the clinical and anatomical location of orbital plasmacytomas and assess local control following therapy. METHODS: The American Society of Ophthalmic Plastic and Reconstructive Surgery Oncology Database was queried to identify patients diagnosed with orbital plasmacytoma. These patients' records were reviewed for demographic characteristics, clinical and radiologic findings, treatments, and outcomes. RESULTS: Thirty patients from 4 institutions (24 from MD Anderson Cancer Center, 3 from SUNY Downstate Medical Center, 2 from University of California, Los Angeles, and 1 from Oregon Health and Science University) were identified...
June 2, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28552548/second-opinion-by-in-house-radiologists-present-picture-and-emphasis-on-standardizing-imaging-protocol-in-oncology
#9
G V SanthoshKumar, Abhishek Mahajan, Subhash Desai, Meenakshi Thakur
Standardization of imaging acquisition protocol, modification in protocols for specific tumor and standardization in providing image data sets for outside referral, will help not only patients but also oncologists (who requests the second read) and the radiologists (who provides the second read on outside imaging). The practical benefits to patients include, cost savings (limiting the repeat radiological examination), timely initiation of treatment; the unrealized benefits include prevention of unnecessary anxiety and discomfort...
April 10, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28528855/patterns-of-recent-national-institutes-of-health-nih-funding-to-diagnostic-radiology-departments-analysis-using-the-nih-reporter-system
#10
Ana M Franceschi, Andrew B Rosenkrantz
RATIONALE AND OBJECTIVES: This study aimed to characterize recent National Institutes of Health (NIH) funding for diagnostic radiology departments at US medical schools. MATERIALS AND METHODS: This retrospective study did not use private identifiable information and thus did not constitute human subjects research. The public NIH Research Portfolio Online Reporting Tools Expenditure and Results system was used to extract information regarding 887 NIH awards in 2015 to departments of "Radiation-Diagnostic/Oncology...
May 18, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28473085/acr-appropriateness-criteria-%C3%A2-stage-i-breast-cancer-initial-workup-and-surveillance-for-local-recurrence-and-distant-metastases-in-asymptomatic-women
#11
Linda Moy, Lisa Bailey, Carl D'Orsi, Edward D Green, Anna I Holbrook, Su-Ju Lee, Ana P Lourenco, Martha B Mainiero, Karla A Sepulveda, Priscilla J Slanetz, Sunita Trikha, Monica M Yepes, Mary S Newell
Women and health care professionals generally prefer intensive follow-up after a diagnosis of breast cancer. However, there are no survival differences between women who obtain intensive surveillance with imaging and laboratory studies compared with women who only undergo testing because of the development of symptoms or findings on clinical examinations. American Society of Clinical Oncology and National Comprehensive Cancer Network guidelines state that annual mammography is the only imaging examination that should be performed to detect a localized breast recurrence in asymptomatic patients; more imaging may be needed if the patient has locoregional symptoms (eg, palpable abnormality)...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28473078/acr-appropriateness-criteria-%C3%A2-plexopathy
#12
Julie Bykowski, Joseph M Aulino, Kevin L Berger, R Carter Cassidy, Asim F Choudhri, A Tuba Kendi, Claudia F E Kirsch, Michael D Luttrull, Aseem Sharma, Vilaas S Shetty, Khoi Than, Christopher J Winfree, Rebecca S Cornelius
MRI without and with contrast is the most accurate imaging method to determine whether a process is intrinsic or extrinsic to a nerve of the brachial or lumbosacral plexus. However, there are no Current Procedural Terminology codes to correspond to imaging studies of the brachial or lumbar plexus discretely. This assessment uses "MRI of the brachial plexus" or "MRI of the lumbosacral plexus" as independent entities given that imaging acquisition for the respective plexus differs in sequences and planes compared with those of a routine neck, chest, spine, or pelvic MRI, yet acknowledges the potential variability of ordering practices across institutions...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28469389/roadmap-to-a-comprehensive-clinical-data-warehouse-for-precision-medicine-applications-in-oncology
#13
David J Foran, Wenjin Chen, Huiqi Chu, Evita Sadimin, Doreen Loh, Gregory Riedlinger, Lauri A Goodell, Shridar Ganesan, Kim Hirshfield, Lorna Rodriguez, Robert S DiPaola
Leading institutions throughout the country have established Precision Medicine programs to support personalized treatment of patients. A cornerstone for these programs is the establishment of enterprise-wide Clinical Data Warehouses. Working shoulder-to-shoulder, a team of physicians, systems biologists, engineers, and scientists at Rutgers Cancer Institute of New Jersey have designed, developed, and implemented the Warehouse with information originating from data sources, including Electronic Medical Records, Clinical Trial Management Systems, Tumor Registries, Biospecimen Repositories, Radiology and Pathology archives, and Next Generation Sequencing services...
2017: Cancer Informatics
https://www.readbyqxmd.com/read/28444414/-general-diagnostic-work-up-for-benign-tumors-of-the-musculoskeletal-system
#14
REVIEW
J Panotopoulos, P Th Funovics, R Windhager
INTRODUCTION: Benign bone tumors are heterogeneous and have different biological behaviors. Treatment requires knowledge of the principle diagnosis and clinical behavior to avoid, on the one hand, overtreatment and, on the other hand, incorrect diagnosis of a potentially malignant tumor. METHODS: Bone tumors of stage I (according to Enneking) should be observed clinically and radiologically. For stage II and stage III lesions, a biopsy should be performed, based on the corresponding oncological guidelines...
April 25, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28423406/the-rise-of-radiomics-and-implications-for-oncologic-management
#15
Vivek Verma, Charles B Simone, Sunil Krishnan, Steven H Lin, Jinzhong Yang, Stephen M Hahn
Clinical medicine, particularly oncology, is progressing toward personalized care. Whereas the terms genomics, proteomics, transcriptomics, and metabolomics have dominated personalized medicine for the past couple decades, the concept of radiomics was first described in 2012. This nascent concept has major implications for personalized cancer care and involves extracting hundreds of standardized and quantifiable imaging characteristics from diagnostic computed tomography/magnetic resonance imaging images. The central hypothesis of radiomics is that these libraries of quantitative individual voxel-based variables are more sensitively associated with various clinical endpoints compared with the more qualitative radiologic, histopathologic, and clinical data more commonly utilized today...
July 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28418819/cancer-genomics-and-important-oncologic-mutations-a-contemporary-guide-for-body-imagers
#16
REVIEW
Veronica L Cox, Priya Bhosale, Gauri R Varadhachary, Nicolaus Wagner-Bartak, Isabella C Glitza, Kathryn A Gold, Johnique T Atkins, Pamela T Soliman, David S Hong, Aliya Qayyum
The field of cancer genomics is rapidly evolving and has led to the development of new therapies. Knowledge of commonly involved cellular pathways and genetic mutations is now essential for radiologists reading oncology cases. Radiogenomics is an emerging area of research that seeks to correlate imaging features with cancer genotypes. Such knowledge may extend the utility of multiparametric imaging to yield information regarding cancer prognosis and likelihood of therapeutic response. To date, only a handful of radiogenomics studies have been performed to evaluate solid tumors of the body, and there is much to explore...
May 2017: Radiology
https://www.readbyqxmd.com/read/28390805/from-transmandibular-to-transoral-robotic-approach-for-parapharyngeal-space-tumors
#17
Francesco Chu, Marta Tagliabue, Gioacchino Giugliano, Luca Calabrese, Lorenzo Preda, Mohssen Ansarin
PURPOSE: Parapharyngeal space (PPS) tumors are rare, accounting for 0.5% of all head-and-neck masses. Surgery remains the standard treatment for most cases, including different approaches (cervical approach, parotidectomy, mandibulotomy, transoral/robotic). We report our experience in the management of PPS tumors, aiming to create a surgical algorithm on the base of tumor's radiological and clinical characteristics. MATERIALS AND METHODS: Critical retrospective analysis of patients with PPS neoplasms who underwent surgery at our Institute...
March 31, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28381377/current-technical-aspects-of-oncological-hepatic-surgery
#18
Ahmed I Salem, Emily R Winslow
BACKGROUND: With the recent advances in oncological hepatic surgery, major liver resections became more widely utilized procedures. The era of modern hepatic surgery witnessed improvements in patients care in preoperative, intraoperative and postoperative aspects. This significantly improved surgical outcomes regarding morbidity and mortality. This review article focuses on the recent advances in oncological hepatic surgery. DATA SOURCES: This review includes only data from peer-reviewed articles and journals...
April 2017: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/28349351/advanced-mri-techniques-in-the-monitoring-of-treatment-of-gliomas
#19
REVIEW
Harpreet Hyare, Steffi Thust, Jeremy Rees
With advances in treatments and survival of patients with glioblastoma (GBM), it has become apparent that conventional imaging sequences have significant limitations both in terms of assessing response to treatment and monitoring disease progression. Both 'pseudoprogression' after chemoradiation for newly diagnosed GBM and 'pseudoresponse' after anti-angiogenesis treatment for relapsed GBM are well-recognised radiological entities. This in turn has led to revision of response criteria away from the standard MacDonald criteria, which depend on the two-dimensional measurement of contrast-enhancing tumour, and which have been the primary measure of radiological response for over three decades...
March 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28320522/-image-guided-bone-consolidation-in-oncology-cementoplasty-and-percutaneous-screw-fixation
#20
REVIEW
Xavier Buy, Roberto Luigi Cazzato, Vittorio Catena, Guilhem Roubaud, Michele Kind, Jean Palussiere
Bone metastases are a common finding in oncology. They often induce pain but also fractures which impair quality of life, especially when involving weight-bearing bones. Percutaneous image-guided consolidation techniques play a major role for the management of bone metastases. Cementoplasty aims to stabilize bone and control pain by injecting acrylic cement into a weakened bone. This minimally invasive technique has proven its efficacy for bones submitted to compression forces: vertebra, acetabular roof, and condyles...
March 17, 2017: Bulletin du Cancer
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