نتایج جستجو برای: radiologic phantom

تعداد نتایج: 30796  

2001
Tae Jung Kim Jin Mo Goo Min Hoan Moon Jung-Gi Im Mi-Young Kim

The radiologic and clinical findings of foreign bodies in the chest of children are well recognized. Foreign bodies in adults are infrequent, however, and the radiologic findings of these unusual circumstances have rarely been described. We classified various thoracic foreign bodies into three types according to their cause: Type I, Aspiration, Type II, Trauma or Accident; Type III, Iatrogenic....

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: :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...

2002

Executive Summary Objectives Participants Evidence Validation Key Messages Introduction Rationale for a Change in the Approach to Classification of Idiopathic Interstitial Pneumonias Development of a New Classification of Idiopathic Interstitial Pneumonia Current Classification of IIP New ATS/ERS Classification Principles Guiding the Assessment of Patients with Idiopathic Interstitial Pneumonia...

2002

Executive Summary Objectives Participants Evidence Validation Key Messages Introduction Rationale for a Change in the Approach to Classification of Idiopathic Interstitial Pneumonias Development of a New Classification of Idiopathic Interstitial Pneumonia Current Classification of IIP New ATS/ERS Classification Principles Guiding the Assessment of Patients with Idiopathic Interstitial Pneumonia...

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 ...

Journal: :acta medica iranica 0
melike yüceege dışkapı yıldırım beyazıd educational and research hospital, respiratory medicine clinic, ankara, turkey. berrin sanisoğlu bağcılar governmental hospital, respiratory medicine clinic, i̇stanbul, turkey. reha baran acıbadem fulya hospital, respiratory medicine clinic, i̇stanbul, turkey.

the study was aimed to investigate the diagnostic differences between male and female patients in pulmonary tuberculosis in a tertiary 660 bedded educational respiratory medicine hospital, istanbul, turkey. a retrospective study was conducted with the new diagnosed, 50 men and 50 female pulmonary tuberculous patients. age, symptoms, personal history, radiologic and sputum smear findings were co...

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