نتایج جستجو برای: voxelized phantom

تعداد نتایج: 17420  

Journal: :Turkish neurosurgery 2017
Orkun Koban Ahmet Öğrenci Onur Yaman Sedat Dalbayrak

Phantom limb pain in amputee patients is not well defined in the literature. Also there is still no clear information on the definition and treatment of phantom radicular pain, in which amputee patients also have radicular pain. This phenomenon, called phantom radiculitis or phantom radiculopathy, has been described in a limited number of cases. If a pathological condition to cause radicular pa...

Journal: :Journal of rehabilitation medicine 2009
Ozlem Ulger Semra Topuz Kezban Bayramlar Gül Sener Fatih Erbahçeci

OBJECTIVE To investigate the effects of phantom limb exercises on phantom limb pain. METHODS A total of 20 traumatic amputees participated in the study. Ten received phantom exercises and prosthetic training, and 10 were treated with routine prosthetic training and a general exercise programme. Intensity of pain was evaluated using a 10-cm visual analogue scale before therapy and after 4 week...

Journal: :Nihon Hoshasen Gijutsu Gakkai zasshi 2009
Chieko Nagashima Nachiko Uchiyama Noriyuki Moriyama Mio Nagata Hiroyuki Kobayashi Katsuhiro Sankoda Shigeru Saotome Masahiro Tagi Tetsurou Kusunoki

Currently daily quality control (QC) tests for mammography systems are generally evaluated by using visual analysis phantoms, which of course means subjective measurement. In our study, however, we evaluated a novel digital phantom, the 1Shot Phantom M plus (1Shot Phantom), together with automatic analysis software dedicated for mammography systems using Fuji computed radiography (FCR). The dig...

Journal: :Medical physics 2000
D A Rajon D W Jokisch P W Patton A P Shah W E Bolch

An important problem in internal dosimetry is the assessment of energy deposition by beta particles within trabecular regions of the skeleton. Recent dosimetry methods for trabecular bone are based on Monte Carlo particle transport simulations within three-dimensional (3D) images of real human bone samples. Nuclear magnetic resonance (NMR) microscopy is a 3D imaging technique of choice due to t...

Journal: :Medical physics 2001
D W Jokisch L G Bouchet P W Patton D A Rajon W E Bolch

Presently, skeletal dosimetry models utilized in clinical medicine simulate electron path lengths through skeletal regions based upon distributions of linear chords measured across bone trabeculae and marrow cavities. In this work, a human thoracic vertebra has been imaged via nuclear magnetic resonance (NMR) spectroscopy yielding a three-dimensional voxelized representation of this skeletal si...

Journal: :Physical review 2022

Electron-phonon physics has become an integral part of today's materials science world. In this work, the authors present $a\phantom{\rule{0}{0ex}}b$ $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o$ results for zero-point renormalization band gap various semiconductors and insulators. They use a new implementation VASP c...

2004
Laxmaiah Manchikanti Vijay Singh

From Pain Management Center of Paducah, Paducah, Kentucky, and Pain Diagnostic Associates, Niagara, Wisconsin. Address Correspondence: Laxmaiah Manchikanti, MD, 2831 Lone Oak Road, Paducah, Kentucky 42003 E-mail: [email protected] Funding: There was no external funding in preparation of this manuscript. Conflict of Interest: None Since the first medical description of post-amputation phenomena repor...

Journal: :International Journal of Medical Physics, Clinical Engineering and Radiation Oncology 2021

Introduction: Radiotherapy is one of the important treatment modalities in cancer treatment. To maintain procedure accuracy, phantom an essential tool for absolute dosimetry conformation and Quality Assurance routine cheek up. This work aims to study absorbed dose various phantoms hence make a comparison result with IAEA recommendation (TRS 398) daily QA Linac. Materials Methods: The experiment...

H.K. Lee, J.H. Cho, J.W. Hong,

Background: This study assessed the clinical usefulness of the solid phantom, which may compensate for the disadvantages of the water phantom, by comparing the radiological doses between the two depending on their depths. Materials and Methods: The experimental equipment used was a linear accelerator for medical use, water phantom, solid phantom, Farmer type ion chamber and electrometer. The di...

2014
Kim J. Boström Marc H. E. de Lussanet Thomas Weiss Christian Puta Heiko Wagner

Amputation often leads to painful phantom sensations, whose pathogenesis is still unclear. Supported by experimental findings, an explanatory model has been proposed that identifies maladaptive reorganization of the primary somatosensory cortex (S1) as a cause of phantom pain. However, it was recently found that BOLD activity during voluntary movements of the phantom positively correlates with ...

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