نتایج جستجو برای: tttg ct scan
تعداد نتایج: 180380 فیلتر نتایج به سال:
Background Currently, almost all patients with probable abdominal injury undergo urinalysis in emergency department (ED). The present survey was conducted with the aim of assessing the diagnostic values of urinalysis compare with abdominal computed tomography (CT) scan with contrast for predicting possible intra-abdominal injuries in children affected by blunt trauma. Materials and Methods: The...
Introduction: Increasing in refer to computed tomography (CT-scan) imaging causes to increase in cumulative dose. Stereoradiography (EOS) is an X-ray imaging technology that, by eliminating scattering radiation, reduces patient's absorption dose and improves image quality. Materials and Methods: This cross-sectional study was carried out in a hosp...
Background: Medical diagnostic procedures such as X-ray and computed Tomography (CT) scan account for considerable percent of patient's exposure to ionizing radiation. The exposure of cells to Ionization radiation results in induction of DNA damage and chromosomal aberrations. Contrast media (CM) are widely used in diagnostic radiology and CT scan. The aim of this study was to study adverse gen...
Background: Para-clinical abnormalities are considered as predictors of COVID-19 severity. We aimed at evaluate the relationship between laboratory and chest computed tomography (CT) scan findings and severity of COVID-19 cases. Materials and methods: We performed a retrospective study on confirmed COVID-19 patients in Amir-Al-Momenin hospital, Tehran, Iran, from February 20, 2020 to April 19,...
background: imaging studies performed in research centers suggest a high prevalence of brain structural abnormalities in patients with epilepsy. however, the results of research studies may not be directly applicable to general clinic, because they may perform on patients with high probability of cerebral abnormalities. on the other hand, more advanced modalities are likely to be used in resear...
Methods Piglets were instrumented and ventilated with TV of corresponding to a strain (TV/FRC) >2.5. The whole study was performed in an animal CT scan facilities equipped as an ICU. Every three hours a CT scan was performed and data on respiratory mechanics were collected. CT scans were analysed and lesions were defined as clearly defined regions of poorly/not inflated tissue (-500/+100 HU) wi...
Background and Aim: CT scan as a medical imaging modality delivers high radiation dose to the patients. Since eye and thyroid are two radiosensitive organs in this study, those effective doses were evaluated in brain CT scan. Using TLD as dosimeter. Materials and Methods: This cross-sectional study was carried out in three selective hospitals in Rasht in September and October in year 2016.TLD ...
Background: In intensity modulated radiation therapy, cone beam computed tomography (CT) has been used to evaluate patients prior to treatment. This study conducted a comparative evaluation of the image reconstruction ability of the clinically used half-fan bowtie filter and the full-fan bowtie filter. Materals and Methods: A CT simulation marker was inserted inside a human phantom, and the pel...
Background: Human Resources in the health sector not only is the most crucial source in health providing but account for nearly three-quarters of the health sector's costs. The purpose of this study was to estimate the required Human Resources of the CT scan department of the Reza Radiotherapy-Oncology Center based on the workload indicator of staffing needs in 2019. Materials and Methods: Thi...
Abstract Aims and objectives: Pneumothorax is a common finding after trauma and with a wide range of clinical manifestations, from a concealed pneumothorax detectable only by a CT scan accidentally, to a potentially fatal tension pneumothorax. Pneumothorax can gradually progress to tension pneumothorax and become an emergency, consequently, a timely diagnosis is essential. Most traumatic patie...
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