Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Shady, AlKhazzam"'
Publikováno v:
European Journal of Radiology Open, Vol 9, Iss , Pp 100454- (2022)
Aim: The exposure index (EI) is used in routine quality control (QC) tests performed in the radiographic equipment installed in our hospitals. This study aimed at investigating the factors affecting the calculation of EI in QC and clinical images, an
Externí odkaz:
https://doaj.org/article/b84a6714c1364d5eb31618c15a235554
Autor:
Huda AlNaemi, Virginia Tsapaki, Ahmed J. Omar, Maryam AlKuwari, Amal AlObadli, Shady Alkhazzam, Antar Aly, Mohammad Hassan Kharita
Publikováno v:
European Journal of Radiology Open, Vol 7, Iss , Pp 100282- (2020)
Objectives: The objectives of this study were to: 1) evaluate patient radiation exposure in CT and 2) establish CT Diagnostic Reference Levels (DRL)s based on clinical indication (CI) in Qatar. Materials and Methods: Patient data for 13 CIs were coll
Externí odkaz:
https://doaj.org/article/77b1ae00bdd2496ab307f87a74140117
Autor:
Ioannis A. Tsalafoutas, Shady AlKhazzam, Virginia Tsapaki, Huda AlNaemi, Mohammed Hassan Kharita
Publikováno v:
Journal of applied clinical medical physics. 23(12)
To investigate the effect of the exposure parameters on image quality (IQ) metrics of phantom images, obtained automatically using software or from visual evaluation.Three commercial phantoms and a homemade phantom constructed according to the instru
Autor:
Ioannis Tsalafoutas, Shady AlKhazzam, Huda AlNaemi, Virginia Tsapaki, Mohammed Hassan Kharita
Publikováno v:
Physica Medica. 104:S62-S63
Publikováno v:
Journal of Applied Clinical Medical Physics. 23
To investigate the operation principles of the automatic tube current modulation (ATCM) of a CT scanner, using a dedicated phantom and the CT dosimetry index (CTDI) phantom.The Mercury 4.0 phantom and three different configurations of the CTDI dosime
Autor:
Mohammad Hassan, Kharita, Huda, AlNaemi, Vishwanatha, Kini, Shady, Alkhazzam, Madan M, Rehani
Publikováno v:
European Radiology
Objectives To describe first experience of integrating assessment of image quality in paediatric X-ray computed tomography (CT) with analysis of the radiation dose indices to develop reference doses called acceptable quality dose (AQD). Methods Image
Autor:
Ramandeep Singh, Mannudeep K. Kalra, Huda Al-Naemi, Ioannis A. Tsalafoutas, Chiara Arru, Mohammad Hassan Kharita, Ahmed J Omar, Antar Aly, Shady Alkhazzam
Publikováno v:
European journal of radiology. 130
Purpose To evaluate the relationship between patient age and radiation doses associated with routine pediatric head CT performed with automatic tube potential selection and tube current modulation techniques. Methods We obtained patient demographics,