Results 31 to 40 of about 665,601 (313)

The effectiveness and cost-effectiveness of computed tomography screening for coronary artery disease : systematic review [PDF]

, 2006
Coronary heart disease (CHD) is one of the main causes of mortality and morbidity in the UK and other Western countries. The disease can be asymptomatic until the first event, which may be a fatal myocardial infarction (heart attack).
Black, C. (Corrinda), Cummins, E. (Ewen), N Waugh, L McIntyre, E Cummins, C Black, Walker, S., Hillis, G. S., Waugh, Norman, G Hillis, S Walker, McIntyre, Linda   +11 more
core   +1 more source

Can the ischemic penumbra be identified on noncontrast CT of acute stroke? [PDF]

, 2007
<p><b>Background and Purpose:</b> Early ischemic changes on noncontrast CT in acute stroke include both hypoattenuation and brain swelling, which may have different pathophysiological significance.</p> <p><b>Methods:
Muir, K.W., McCormick, M., Baird, T., Coutts, S.B., Walker, L., Baird-Gunning, J.   +5 more
core   +1 more source

Diagnostic performance of coronary CT angiography for stenosis detection according to calcium score: systematic review and meta-analysis [PDF]

, 2012
OBJECTIVES: A systematic review and meta-analysis to assess sensitivity and specificity of coronary CT angiography (CCTA) for significant stenosis at different degrees of coronary calcification.
den Dekker, M.A.M., Vliegenthart, R., Oudkerk, M., de Bock, G.H.; id_orcid, Tio, R.A., Oudkerk, M.; id_orcid, de Smet, K., den Dekker, M.A., de Bock, G.H., den Dekker, Martijn   +9 more
core   +1 more source

Evaluation of Local Diagnostic Reference Levels for Paediatric and Adult Patients Undergoing Head Computed Tomography Examination in Amhara Regional States, Ethiopia [PDF]

Iranian Journal of Medical Physics, 2023
Introduction: During computed tomography examinations variation of dose for pediatric and adults has been increasing widely, even when automated exposure control is used. Hence, the objective of this study was to assess the computed tomography head local
Seife Dellie, Ambaye Tesfaw
doaj   +1 more source

An Unusual Case of Primary Hyperparathyroidism: Case Report of a Bifocal Intrathyroidal Parathyroid Carcinoma

Ear, Nose & Throat Journal, 2023
Intrathyroidal parathyroid carcinoma is an extremely rare cause of primary hyperparathyroidism. We reported a 51-year old woman who presented symptoms of hypercalcemia.
Maxime Damien MD, Alexandra Rodriguez MD, Pierre Kleynen MD, Didier Dequanter MD, PhD, Cyril Bouland MD   +4 more
doaj   +1 more source

Extent of hypoattenuation on CT angiography source images in Basilar Artery occlusion: prognostic value in the Basilar Artery International Cooperation Study [PDF]

, 2011
<p><b>Background and Purpose:</b> The posterior circulation Acute Stroke Prognosis Early CT Score (pc-ASPECTS) quantifies the extent of early ischemic changes in the posterior circulation with a 10-point grading system.
Christine A.C. Wijman, Thomas Pfefferkorn, Engelter, Stefan T, Mattle, H.P., Mattle, Heinrich P., Basilar Artery International Cooperation Study Group,, Khomenko, A., Ale Algra, Hill, M.D., Demchuk, Andrew M, Dzialowski, I., Szabo, K., L. Jaap Kappelle, Szabo, Kristina, Algra, Ale, Wijman, Christine A. C., Wouter J. Schonewille, von Kummer, Ruediger, Stefan T. Engelter, Andrei Khomenko, Andrew M. Demchuk, Kristina Szabo, Demchuk, Andrew M., Puetz, V., Hill, Michael D, Tanne, David, Pfefferkorn, Thomas, Weimar, C., Schonewille, W.J., Demchuk, A.M., Mattle, Heinrich P, Kappelle, L Jaap, Patrik Michel, Muir, Keith W., Michael D. Hill, Wijman, C.A.C., Engelter, S.T., Volker Puetz, von Kummer, R., Weimar, Christian, Puetz, Volker, Dzialowski, Imanuel, Algra, A., Keith W. Muir, Tanne, D., Muir, Keith W, Kappelle, L.J., Michel, Patrik, Schonewille, Wouter J, Basilar Artery International Cooperation Study (BASICS) Group,, Wijman, Christine A C, Muir, K.W., Imanuel Dzialowski, Christian Weimar, Schonewille, Wouter J., Heinrich P. Mattle, Khomenko, Andrei, Kappelle, L. Jaap, Engelter, Stefan T., Pfefferkorn, T., David Tanne, Michel, P., Ruediger von Kummer, Hill, Michael D.   +63 more
core   +1 more source

Differences in residual lesion detection after treatment of metastatic prostate cancer based on dual-tracer PET/CT

Frontiers in Oncology
Background18F-fluorodeoxyglucose (18F-FDG) positron-emission tomography/computed tomography (PET/CT) and 68Ga-prostate-specific membrane antigen (68Ga-PSMA) PET/CT are widely used imaging modalities for the diagnosis and management of prostate cancer ...
Tengfei Li, Jianying Ma, Yaning Wang, Fei Li   +3 more
doaj   +1 more source

Computed Dosimeter Dose Index on a 16-Slice Computed Tomography Scanner

Dose-Response, 2022
A computed tomography dose index can be used to quantify the radiation dose received during a CT scan and it is an indicator of the radiation dose to the polymetaylenmetaAcrylate (PMMA) standardized phantom. The objective of this study was 2-fold.
Tadelech S. Mekonin, Tilahun T. Deressu
doaj   +1 more source

Identification of Stage IIIC/IV EGFR-Mutated Non-Small Cell Lung Cancer Populations Sensitive to Targeted Therapy Based on a PET/CT Radiomics Risk Model

Frontiers in Oncology, 2021
ObjectivesThis project aimed to construct an individualized PET/CT prognostic biomarker to accurately quantify the progression risk of patients with stage IIIC-IV epidermal growth factor receptor (EGFR)-mutated Non-small cell lung cancer (NSCLC) after ...
Dan Shao, Dongyang Du, Haiping Liu, Jieqin Lv, You Cheng, Hao Zhang, Wenbing Lv, Shuxia Wang, Lijun Lu   +8 more
doaj   +1 more source

CT-SGAN: Computed Tomography Synthesis GAN [PDF]

, 2021
In Proceedings of MICCAI Deep Generative Models workshop, October ...
Ahmad Pesaranghader, Yiping Wang 0004, Mohammad Havaei   +2 more
openaire   +2 more sources