Results 31 to 40 of about 2,135,866 (183)

Dynamic perfusion CT – A promising tool to diagnose pancreatic ductal adenocarcinoma

Open Medicine, 2021
This study deals with an important issue of setting the role and value of the dynamic computed tomography (CT) perfusion analysis in diagnosing pancreatic ductal adenocarcinoma (PDAC). The study aimed to assess the efficacy of perfusion CT in identifying
Zaborienė Inga, Barauskas Giedrius, Gulbinas Antanas, Ignatavičius Povilas, Lukoševičius Saulius, Žvinienė Kristina   +5 more
doaj   +1 more source

SPECT/CT in the Evaluation of Suspected Skeletal Pathology

Tomography, 2021
Dedicated multi-slice single-photon emission computed tomography/computed tomography (SPECT/CT) cameras have become widely available and are becoming a mainstay of clinical practice.
Bhasker Rao Koppula, Kathryn A. Morton, Ragheed Al-Dulaimi, Gabriel C. Fine, Nikolas M. Damme, Richard K. J. Brown   +5 more
doaj   +1 more source

Visualization of simulated small vessels on computed tomography using a model-based iterative reconstruction technique

Data in Brief, 2017
This article describes a quantitative evaluation of visualizing small vessels using several image reconstruction methods in computed tomography. Simulated vessels with diameters of 1–6 mm made by 3D printer was scanned using 320-row detector computed ...
Toru Higaki, Fuminari Tatsugami, Chikako Fujioka, Hiroaki Sakane, Yuko Nakamura, Yasutaka Baba, Makoto Iida, Kazuo Awai   +7 more
doaj   +1 more source

Relationships between lamb carcass quality traits measured by X-ray computed tomography (CT) and current UK-hill sheep breeding goals. [PDF]

, 2008
Genetic parameters were estimated between current UK hill sheep breeding goals and lamb carcass composition and muscularity traits derived using X-ray computed tomography (CT).
McLean, KA, McLaren, A., Lambe, NR; id_orcid, Bishop, S. C., Simm, Geoff, Lambe, N. R., Bünger, L., McLean, K. A., Conington, JE; id_orcid, McLaren, A; id_orcid, Bishop, SC, Simm, G, Bunger, L, Conington, J.   +13 more
core  

Non-target activity detection by post-radioembolization yttrium-90 PET/CT: Image assessment technique and case examples

Frontiers in Oncology, 2014
High-resolution yttrium-90 (90Y) imaging of post-radioembolization microsphere biodistribution may be achieved by conventional positron emission tomography with integrated computed tomography (PET/CT) scanners that have time-of-flight capability. However,
Yung Hsiang eKao, Yung Hsiang eKao, Andrew EH eTan, Richard HG eLo, Kiang Hiong eTay, Bien Soo eTan, Pierce KH eChow, Pierce KH eChow, Pierce KH eChow, David CE eNg, Anthony SW eGoh   +10 more
doaj   +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

Prediction of lymph node metastasis in advanced gastric adenocarcinoma based on dual-energy CT radiomics: focus on the features of lymph nodes with a short axis diameter ≥6 mm

Frontiers in Oncology
ObjectiveTo explore the value of the features of lymph nodes (LNs) with a short-axis diameter ≥6 mm in predicting lymph node metastasis (LNM) in advanced gastric adenocarcinoma (GAC) based on dual-energy CT (DECT) radiomics.Materials and methodsData of ...
Yang You, Yan Wang, Xianbo Yu, Fengxiao Gao, Min Li, Yang Li, Xiangming Wang, Litao Jia, Gaofeng Shi, Li Yang   +9 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., Wijman, C.A.   +64 more
core   +1 more source

Feasibility analysis of non-electrocardiogram-triggered chest low-dose computed tomography using a kV-independent reconstruction algorithm for predicting cardiovascular disease risk in patients receiving maintenance hemodialysis

BMC Cardiovascular Disorders
Objectives This study aimed to evaluate the feasibility and accuracy of non-electrocardiogram (ECG)-triggered chest low-dose computed tomography (LDCT) with a kV-independent reconstruction algorithm in assessing coronary artery calcification (CAC) degree
Xiangming Wang, Ao Liu, Yan Zhao, Xianbo Yu, Yushuo Cao, Min Li, Jing Liu, Yu Du, Li Yang   +8 more
doaj   +1 more source

A Nordic survey of CT doses in hybrid PET/CT and SPECT/CT examinations

EJNMMI Physics, 2019
Background Computed tomography (CT) scans are routinely performed in positron emission tomography (PET) and single photon emission computed tomography (SPECT) examinations globally, yet few surveys have been conducted to gather national diagnostic ...
Natalie A. Bebbington, Bryan T. Haddock, Henrik Bertilsson, Eero Hippeläinen, Ellen M. Husby, Virpi I. Tunninen, Marcus Söderberg   +6 more
doaj   +1 more source