Tissue dielectric properties are specific to physiological changes and consequently have been pursued as imaging biomarkers of cancer and other pathological disorders. However, a recent study (Phys Med Biol 52...
Authors: Paul M Meaney, Andrew P Gregory, Neil R Epstein and Keith D Paulsen
Fractal geometry has been the basis for the development of a diagnosis of preneoplastic and neoplastic cells that clears up the undetermination of the atypical squamous cells of undetermined significance (ASCUS).
Authors: Signed E Prieto Bohórquez, Javier O Rodríguez Velásquez, S Catalina Correa Herrera and M Yolanda Soracipa Muñoz
Few studies to date have directly compared the Actigraphs GT1M and the GT3X, it would be of tremendous value to know if these accelerometers give similar information about intensities of PA. Knowing if output ...
Authors: Louise A Kelly, Duncan GE McMillan, Alexandra Anderson, Morgan Fippinger, Gunnar Fillerup and Jane Rider
The rapid adoption of image-guidance in prostate intensity-modulated radiotherapy (IMRT) results in longer treatment times, which may result in larger intrafraction motion, thereby negating the advantage of im...
Authors: Avilash K Cramer, Amanu G Haile, Sanja Ognjenovic, Tulsee S Doshi, William Matthew Reilly, Katherine E Rubinstein, Nima Nabavizadeh, Thuan Nguyen, Lu Z Meng, Martin Fuss, James A Tanyi and Arthur Y Hung
HIV diagnosis, prognostic and treatment requires T CD4 lymphocytes’ number from flow cytometry, an expensive technique often not available to people in developing countries. The aim of this work is to apply a ...
Authors: Javier O Rodríguez, Signed E Prieto, Catalina Correa, Carlos E Pérez, Jessica T Mora, Juan Bravo, Yolanda Soracipa and Luisa F Álvarez
Calculation of accumulated dose in fractionated radiotherapy based on spatial mapping of the dose points generally requires deformable image registration (DIR). The accuracy of the accumulated dose thus depend...
Authors: David Tilly, Nina Tilly and Anders Ahnesjö
In this paper we apply the principal-component analysis filter (Hotelling filter) to reduce noise from dynamic positron-emission tomography (PET) patient data, for a number of different radio-tracer molecules....
Analyzing and monitoring uterine contractions during pregnancy is relevant to the field of reproductive health assessment. Its clinical importance is grounded in the need to reliably predict the onset of labor...
Authors: Patricio S La Rosa, Hari Eswaran, Hubert Preissl and Arye Nehorai
Radiosensitivity is an inheriting trait that mainly depends on genetic factors. it is well known in similar dose of ionizing radiation and identical biological characteristics 9–10 percent of normal population...
Authors: Meysam Khosravifarsani, Ali Shabestani Monfared, Haleh Akhavan-Niaki, Dariush Moslemi, Karimollah Hajian-Tilaki, Farideh Elahimanesh, Sajad Borzoueisileh, Nayer Seyfizadeh and Mehrangiz Amiri
Intensity modulated radiotherapy is an efficient radiotherapy technique to increase dose in target volumes and decrease irradiation dose in organs at risk. This last objective is mainly relevant in children. H...
Authors: Violaine Beneyton, Claudine Niederst, Céline Vigneron, Philippe Meyer, François Becmeur, Luc Marcellin, Patrick Lutz and Georges Noel
Biologically-based models that utilize 3D radiation dosimetry data to estimate the risk of late cardiac effects could have significant utility for planning radiotherapy in young patients. A major challenge ari...
Authors: Angela Ng, Thao-Nguyen Nguyen, Joanne L Moseley, David C Hodgson, Michael B Sharpe and Kristy K Brock
Evaluation of changes in tumor size from images acquired by ultrasound (US), computed tomography (CT) or magnetic resonance imaging (MRI) is a common measure of cancer chemotherapy efficacy. Tumor size measure...
Authors: Yongsook C Lee, Gary D Fullerton, Cristel Baiu, Margaret G Lescrenier and Beth A Goins
Fractal geometry is employ to characterize the irregular objects and had been used in experimental and clinic applications. Starting from a previous work, here we made a theoretical research based on a geometr...
Authors: Javier O Rodríguez, Signed E Prieto, Catalina Correa, Pedro A Bernal, Germán E Puerta, Sarith Vitery, Yolanda Soracipa and Diana Muñoz
Radiation-induced chromosome aberrations lead to a plethora of detrimental effects at cellular level. Chromosome aberrations provide broad spectrum of information ranging from probability of malignant transfor...
Authors: Rupak Pathak, Adarsh Ramakumar, Uma Subramanian and Pataje GS Prasanna
Light chain amyloidosis (AL) is a rare plasma cell dyscrasia associated with poor survival especially in the setting of heart failure. Late gadolinium enhancement (LGE) on cardiac MRI was recently found to cor...
Authors: Raymond Q Migrino, Richard Christenson, Aniko Szabo, Megan Bright, Seth Truran and Parameswaran Hari
The present study determines the feasibility of generating an average arterial input function (Avg-AIF) from a limited population of patients with neck nodal metastases to be used for pharmacokinetic modeling ...
Authors: Amita Shukla-Dave, Nancy Lee, Hilda Stambuk, Ya Wang, Wei Huang, Howard T Thaler, Snehal G Patel, Jatin P Shah and Jason A Koutcher
Skeletal uptake of 99mTc labelled methylene diphosphonate (99mTc-MDP) is used for producing images of pathological bone uptake due to its incorporation to the sites of active bone turnover. This study was done to...
Authors: Janaka Lenora, Kristina Norrgren, Ola Thorsson, Per Wollmer, Karl J Obrant and Kaisa K Ivaska
We evaluated the repeatability of the calculation of myocardial blood flow (MBF) at rest and pharmacological stress, and calculated the coronary flow reserve (CFR) utilizing 82Rb PET imaging. The aim of the resea...
Authors: Karin Knešaurek, Josef Machac and Zhuangyu Zhang
The present study explores the efficacy and toxicity of combining a new, non-toxic, cancer treatment modality, termed Tumor Treating Fields (TTFields), with chemotherapeutic treatment in-vitro, in-vivo and in ...
Authors: Eilon D Kirson, Rosa S Schneiderman, Vladimír Dbalý, František Tovaryš, Josef Vymazal, Aviran Itzhaki, Daniel Mordechovich, Zoya Gurvich, Esther Shmueli, Dorit Goldsher, Yoram Wasserman and Yoram Palti
The accuracy of multiple window spatial resolution characterises the performance of a gamma camera for dual isotope imaging. In the present study we investigate an alternative method to the standard NEMA proce...
Authors: Helmar Bergmann, Gregory Minear, Maria Raith and Peter M Schaffarich
Breathing motion should be considered for stereotactic body radiotherapy (SBRT) of lung tumors. Four-dimensional computer tomography (4D-CT) offers detailed information of tumor motion. The aim of this work is...
Authors: Anne Richter, Kurt Baier, Juergen Meyer, Juergen Wilbert, Thomas Krieger, Michael Flentje and Matthias Guckenberger
Several fluorine-18 labelled fluoroamino acids have been evaluated as tracers for the quantitative assessment of cerebral protein synthesis in vivo by positron emission tomography (PET). Among these, 2-[18F]fluor...
Authors: Joël J Aerts, Alain R Plenevaux, Christian F Lemaire, Fabrice Giacomelli, Geoffrey I Warnock, Christophe L Phillips and André J Luxen
Surgical resection is the preferred treatment of potentially curable esophageal cancer. To improve long term patient outcome, many institutes apply neoadjuvant chemoradiotherapy. In a large proportion of patie...
Authors: Mark van Heijl, Jikke MT Omloo, Mark I van Berge Henegouwen, Olivier RC Busch, Hugo W Tilanus, Patrick MM Bossuyt, Otto S Hoekstra, Jaap Stoker, Maarten CCM Hulshof, Ate van der Gaast, Grard AP Nieuwenhuijzen, Han J Bonenkamp, John ThM Plukker, Ernst J Spillenaar Bilgen, Fibo JW ten Kate, Ronald Boellaard…
A computer controlled infusion pump (UIPump) for regulation of target tissue concentration of radioactive compounds was developed for use in biological research and tracer development for PET.
Authors: Olof Eriksson, Andreas Wallberg, Stina Syvänen, Raymond Josephsson, Bengt Långström and Mats Bergström
