European journal of radiology
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Review Meta Analysis
Systematic review of flexion/extension radiography of the cervical spine in trauma patients.
The aim of this review was to investigate whether Flexion/Extension (F/E) radiography adds diagnostic value to CT or MRI in the detection of cervical spine ligamentous injury and/or clinically significant cervical spine instability of blunt trauma patients. ⋯ This systematic review of the literature shows that F/E radiography adds little diagnostic value to the evaluation of blunt trauma patients compared to CT and MRI, especially in those cases where CT or MRI show no indication of ligamentous injury.
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To evaluate the trend in utilization of repeat (i.e. ≥2) computed tomography (CT) and to compare utilization patterns across body regions for trauma patients admitted to a level I trauma center for traffic-related injuries (TRI). ⋯ A significant decrease in the utilization of repeat CTs was observed in trauma patients presenting with traffic-related injuries over a 15-year period.
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Multicenter Study Clinical Trial
Response assessment of colorectal liver metastases with contrast enhanced CT/18F-FDG PET.
Evaluate the diagnostic performance of contrast enhanced CT/PET (ceCT/PET) in the response assessment of patients with colorectal cancer liver metastases. ⋯ Administration of intravenous contrast in the PET/CT is mandatory to evaluate treatment response rate of liver metastases due to the limitations of isolated metabolic images in these cases.
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To assess the reproducibility of Fourier decomposition (FD) based ventilation- and perfusion-weighted lung MRI. ⋯ The study demonstrates high reproducibility of ventilation- and perfusion-weighted FD lung MRI.
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Comparative Study
The influence of upper limb position on the effect of a contrast agent in chest CT enhancement.
To compare the influence of two different upper limb positions on contrast agent effects in chest CT enhancement. ⋯ For contrast-enhanced CT chest scans, use of the second limb position can reduce retention of the contrast agent in the right axillary vein and the right subclavian vein outside the thorax, increase contrast agent utilization, and decrease artifacts caused by high-density, local retention of the contrast agent.