Results 61 to 70 of about 3,279,382 (164)

Mixed one-bit compressive sensing with applications to overexposure correction for CT reconstruction [PDF]

arXiv, 2017
When a measurement falls outside the quantization or measurable range, it becomes saturated and cannot be used in classical reconstruction methods. For example, in C-arm angiography systems, which provide projection radiography, fluoroscopy, digital subtraction angiography, and are widely used for medical diagnoses and interventions, the limited ...
arxiv  

Importance of the capability for complete resuscitative treatment combining surgery and interventional radiology for potentially lethal multiple injuries: A case report

Trauma Case Reports, 2017
Background: Recently, trauma management has been complicated owing to the introduction of damage-control strategies and interventional radiology. Here, we discuss important aspects regarding survival of patients with severe trauma.
Hiroyuki Otsuka, Toshiki Sato, Keiji Sakurai, Hiromichi Aoki, Takeshi Yamagiwa, Shinichi Iizuka, Sadaki Inokuchi   +6 more
doaj   +1 more source

Multi-energy techniques for radiographic monitoring of chemical composition [PDF]

, 2002
A theoretical model of multi-energy radiography (MER) are proposed. It is shown that, as distinct from the conventional radiography, MER allows identification of organic substances and control of their chemical composition. Broad prospects are noted for MER application, specifically, for detection of prohibited substances (explosives, drugs, etc ...
arxiv   +1 more source

Role of ultrasonography in the diagnosis of pleural effusion

The Egyptian Journal of Bronchology, 2017
Background Transthoracic ultrasonography (TUS) represents a useful diagnostic tool in the management of pleural diseases. It is the best method for guiding interventional procedures in the pleural space. Objectives The aim of this study was to detect the
Entsar S. Ahmed, Samiha M. Abou Bakr, Hoda A. Eid, Ahmed T. Shaarawy, Wafaa T. Elsayed   +4 more
doaj   +1 more source

Patient complaints in radiology: 9-year experience at a European tertiary care center

European Radiology, 2019
ObjectiveTo determine the frequency, nature (using standardized coding taxonomy), and temporal trends of patient complaints about the radiological service provided in a European tertiary care center.MethodsThis retrospective study included all written ...
P. F. van den Berg, Derya Yakar, A. Glaudemans, R. Dierckx, T. Kwee   +4 more
semanticscholar   +1 more source

Modern principles of the radiation protection from sources of ionizing radiation in medicine. Part 1: Trends, structure of x-ray diagnostics and doses from medical exposure

Радиационная гигиена, 2019
Implementation of modern highly informative methods of X-ray diagnostics (computed tomography, interventional examinations, nuclear medicine), associated with the increase of doses to the public and patients, requires the development and improvement of ...
G. G. Onischenko, A. Yu. Popova, I. K. Romanovich, A. V. Vodovatov, N. S. Bashketova, O. A. Istorik, L. A. Chipiga, I. G. Shatsky, L. V. Repin, A. M. Biblin   +9 more
doaj   +1 more source

First experimental research of low energy proton radiography [PDF]

arXiv, 2013
Proton radiography is a new scatheless diagnostic tool, and which provides a potential development direction for advanced hydrotesting. Recently a low energy proton radiography system has been developed at CAEP. This system has been designed to use 11MeV proton beam to radiograph thin static objects.
arxiv  

The transmission calculation by empirical numerical model and Monte Carlo simulation in high energy proton radiography of thick objects [PDF]

arXiv, 2014
An empirical numerical model that includes nuclear absorption, multiple Coulomb scattering, and energy loss is presented in this work to calculate the transmission of the thick objects in high energy proton radiography, and in this numerical model the angular distributions are treated as Gaussians in the laboratory frame. A Monte Carlo program based on
arxiv  

Late Coil Migration after Embolization of Cerebral Aneurysms – Case Series

Brazilian Neurosurgery, 2018
Background Coil migration after cerebral aneurysm embolization is a very rare complication. It can take place early or late in the postoperative period, evolving asymptomatic and causing severe neurological deficits.
Luana Antunes Maranha Gatto, Luana Bandeira Rocha, Gelson Luis Koppe, Zeferino Demartini Jr   +3 more
doaj   +1 more source

Simulation of proton radiography terminal at IMP [PDF]

arXiv, 2015
Proton radiography is used for advanced hydrotesting as a new type radiography technology due to its powerful penetration capability and high detection efficiency. A new proton radiography terminal will be developed to radiograph static samples at Institute of Modern Physics of Chinese Academy of Science (IMP-CAS).
arxiv