Výsledky vyhledávání - "Shady, Alkhazzam"

Akademický článek

From the use of exposure index in quality control testing to the use of exposure index for quality control of clinical images

Autor: Ioannis A. Tsalafoutas, Shady AlKhazzam, Huda AlNaemi, Mohammed Hassan Kharita

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

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Akademický článek

Towards establishment of diagnostic reference levels based on clinical indication in the state of Qatar

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

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Digital radiography image quality evaluation using various phantoms and software

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19f4e3dce9856cfb590877bec09be97c
https://pubmed.ncbi.nlm.nih.gov/36345212

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Evaluation of automatic tube current modulation of CT scanners using a dedicated and the CTDI dosimetry phantoms

Autor: Ioannis A, Tsalafoutas, Shady, AlKhazzam, Huda, AlNaemi, Mohammed Hassan, Kharita

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fe29b3d3b5f56e0a62631189358134e
https://doi.org/10.1002/acm2.13620

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Development of image quality related reference doses called acceptable quality doses (AQD) in paediatric CT exams in Qatar

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::92d646341add530fdae5fb8fad7f067b
https://pubmed.ncbi.nlm.nih.gov/33175202

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Relation between age and CT radiation doses: Dose trends in 705 pediatric head CT

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,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::903c13937cac6135f6fb947deac71734
https://pubmed.ncbi.nlm.nih.gov/32619755

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