نتایج جستجو برای: computed tomography scan

تعداد نتایج: 311025  

Journal: :MATEC Web of Conferences 2016

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Journal: :International Journal of Mycobacteriology 2016

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Journal: :World Journal of Nuclear Medicine 2018

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Journal: : 2022

The relationship between laboratory and chest computed tomography scan findings severity of COVID-19 cases: a single center study

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Journal: :basic and clinical cancer research 0
hamid ravaghi assistant professor, department of health service management, school of management and medical information services, tehran university of medical sciences, tehran, iran ali akbari sari assistant professor, department of health management and economics,school of public health, and knowledge utilization research center, tehran university of medical sciences, tehran, iran sima sarvari medical lecturer, medical college, shantou university, china mohammas reza mobinizadeh health technology assessment (hta) office, deputy of curative affairs, ministry of health and medical education, tehran, iran

background: positron emission tomography (pet) scan is a non-invasive, complicated and expensive medical imaging technology used for diagnosis and treatment of various diseases including cancers. this study aimed to evaluate the safety and effectiveness of this technology in iran. methods: the major medical electronic databases including cochrane library, google scholar, medline and iranmedex w...

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2016
Zelai He Xiaojie Wu Jingwen Huang Wenjun Chen Jian Wu

In order to confirm the accuracy of ECT (emission computed tomography) scanning imaging in the diagnosis of lung histoplasmosis is higher than CT (computed tomography) scan. We retrospect a lung histoplasmosis patient, he was examined by the CT scan and ECT scanning, respectively. Results showed that lung cancer for CT diagnosis and large benign lesions for F-FDG (F-fluorodeoxyglucose) ECT diag...

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Journal: Iranian Journal of Medical Physics 2018
jalal ordoni Vida sargazi zeynab yazdi sotode

Introduction: Computed tomography is one of the most powerful tools for investigating thorax disease, because it shows progression of lung disease much clearer than chest radiography. Technical advances in CT scanners have led to some abilities for CT scanners such as coverage of larger volume, lower noise and ability for acquiring image in one respiratory phase. However, this will be accompani...

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Journal: :journal of dental research, dental clinics, dental prospects 0
farzaneh kaviani assistant professor, department of oral and maxillofacial radiology, faculty of dentistry tabriz university of medical science, tabriz, iran reza javadrashid assistant professor, department of radiology, faculty of medicine, tabriz university of medical science, tabriz, iran zahra shahmoradi post graduate student, department of oral and maxillofacial radiology, faculty of medical, tabriz university of medical science, tabriz, iran masoud gholamian post graduate student, department of radiology, faculty of medicine, tabriz university of medical science, tabriz, iran

background and aims. the imaging techniques commonly used for foreign body detection include plain radiography, xeroradiography, computed tomography (ct) scans, magnetic resonance imaging (mri) and ultrasonography. the aim of the present study was to compare cone-beam computed tomography (cbct) with conventional ct scan in determination of the exact location of a foreign body in the maxillofaci...

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Journal: Iranian Journal of Medical Physics 2020
Eslam Maamoun, mohamad abdel aziz,

Introduction: The image quality of computed tomography (CT) can be seriously lowered by metal implants of patients. These implants are known to exert a significant impact on diagnostic accuracy due to artifacts. The current study aimed to assess the usefulness of Metal Artifact Reduction (MAR) software in the reduction of metal artifacts, in comparison to iterative rec...

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Journal: :avicenna journal of dental research 0
f. poursafar assistant professor, department of oral and maxillofacial radiology, faculty of dentistry , hamadan university ofسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) f. salemi assistant professor, department of oral and maxillofacial radiology, faculty of dentistry , hamadan university ofسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) m. kadkhodazadeh assistant professor, department of periodentology , faculty of dentistry , shaheid beheshti university of medical sciences, iran m. azizi post graduate student, department of oral and maxillofacial radiology, faculty of dentistry , hamadan university of medical sciences, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

statement of the problem in order to replace lost tooth of patients, we use dental implants which are common. therefore, accurate measuring of bone height and width before placing implants is necessary. the aim of this study is evaluating the accuracy of linear and spiral tomography in careful determination of implant site sizes in comparison with gold standard (cbct). material and methods this...

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نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید

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