10 Result(s)
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Article
Open AccessDiagnostic effect of artificial intelligence solution for referable thoracic abnormalities on chest radiography: a multicenter respiratory outpatient diagnostic cohort study
We aim ed to evaluate a commercial artificial intelligence (AI) solution on a multicenter cohort of chest radiographs and to compare physicians' ability to detect and localize referable thoracic abnormalities ...
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Article
Open AccessUtility of routine ultrasonography follow-up after total thyroidectomy in patients with papillary thyroid carcinoma: a single-center study
This study aimed to assess the appropriate number of sessions and interval of routine follow-up ultrasonography (US) in patients who underwent total thyroidectomy for papillary thyroid carcinoma (PTC).
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Article
Persistent trigeminal artery variant terminating in the posterior inferior cerebellar artery: a case report
Persistent trigeminal artery (PTA) is a rare cerebrovascular variation of remnant fetal carotid-vertebrobasilar anastomoses. The PTA variant terminates in the cerebellar artery with no direct connection to the...
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Chapter
Physical Principles and Equipment: IVUS
Images made from ultrasound are based on the transmission and reception of sound waves reflected from tissue. Ultrasound transducers use a piezoelectric crystal (usually a ceramic) to generate and receive ultr...
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Article
Open AccessComparison of computed tomography features between follicular neoplasm and nodular hyperplasia
To date, appropriate management for Bethesda IV thyroid nodules is controversial, and no specific features of follicular neoplasm and nodular hyperplasia on ultrasonography, computed tomography (CT), or other ...
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Article
Dynamic CT myocardial perfusion imaging: performance of 3D semi-automated evaluation software
To evaluate the performance of three-dimensional semi-automated evaluation software for the assessment of myocardial blood flow (MBF) and blood volume (MBV) at dynamic myocardial perfusion computed tomography ...
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Chapter
CT Assessment of the Myocardial Blood Supply: Quantitative Imaging
Myocardial perfusion computed tomography (CTP) is a promising imaging technique on the verge of expanding the capabilities of CT. Especially, the capability of CTP to enable quantitative evaluations may provid...
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Article
Cardiovascular CT angiography in neonates and children: Image quality and potential for radiation dose reduction with iterative image reconstruction techniques
To evaluate image quality (IQ) of low-radiation-dose paediatric cardiovascular CT angiography (CTA), comparing iterative reconstruction in image space (IRIS) and sinogram-affirmed iterative reconstruction (SAF...
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Article
Thoracic Aortic Stent-Graft Placement for Safe Removal of a Malpositioned Pedicle Screw
We describe a case of percutaneous placement of a thoracic aortic stent-graft for safe removal of a malpositioned pedicle screw in a 52-year-old man. The patient had undergone posterior thoracic spinal instrum...
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Article
Comparison of image quality of 64-slice multidetector CT coronary CT angiography using automated and manual multiphase methods for the determination of optimal phases for image reconstruction in patients with various mean heart rates
This study aimed to compare the effects of the automated and manual methods for determining the optimal phase of image reconstruction with the use of 64-slice coronary CT angiography (CCTA). In 63 patients, th...
