Results 11 to 20 of about 2,135,866 (183)

On artefact reduction, segmentation and classification of 3D computed tomography imagery in baggage security screening [PDF]

, 2014
This work considers novel image-processing and computer-vision techniques to advance the automated analysis of low-resolution, complex 3D volumetric Computed Tomography (CT) imagery obtained in the aviation-security-screening domain. Novel research is
Mouton, Andre
core   +7 more sources

Systematic review of the clinical effectiveness and cost-effectiveness of 64-slice or higher computed tomography angiography as an alternative to invasive coronary angiography in the investigation of coronary artery disease [PDF]

, 2008
Objectives: To assess the clinical effectiveness and cost-effectiveness, in different patient groups, of the use of 64-slice or higher computed tomography (CT) angiography, instead of invasive coronary angiography (CA), for diagnosing people with ...
Cummins, E., Fraser, Cynthia Mary, N Waugh, Cook, J., Cook, Jonathan Alistair, Fraser, C., S Walker, Cummins, E. (Ewen), E Cummins, Mowatt, G., Walker, S., Jia, Xueli, Waugh, Norman, C Fraser, G Mowatt, G Hillis, J Cook, Jian, X., Hillis, Graham S., X Jia, Waugh, N., Mowatt, Graham   +21 more
core   +3 more sources

CT Radiomics Combined With Clinicopathological Features to Predict Invasive Mucinous Adenocarcinoma in Patients With Lung Adenocarcinoma

Technology in Cancer Research & Treatment, 2023
Objective: This study aimed to develop and validate predictive models using clinical parameters, radiomic features, and a combination of both for invasive mucinous adenocarcinoma (IMA) of the lung in patients with lung adenocarcinoma.
Junjie Zhang MD, Ligang Hao MD, Min Li MD, Qian Xu MD, Gaofeng Shi MD   +4 more
doaj   +1 more source

An exploratory study of CT radiomics using differential network feature selection for WHO/ISUP grading and progression-free survival prediction of clear cell renal cell carcinoma

Frontiers in Oncology, 2022
ObjectivesTo explore the feasibility of predicting the World Health Organization/International Society of Urological Pathology (WHO/ISUP) grade and progression-free survival (PFS) of clear cell renal cell cancer (ccRCC) using the radiomics features (RFs)
Fu Yin, Haijie Zhang, Haijie Zhang, Anqi Qi, Zexuan Zhu, Liyang Yang, Ge Wen, Weixin Xie   +7 more
doaj   +1 more source

An experimental survey of metal artefact reduction in computed tomography [PDF]

, 2013
We present a survey of techniques for the reduction of streaking artefacts caused by metallic objects in X-ray Computed Tomography (CT) images. A comprehensive review of the existing state-of- the-art Metal Artefact Reduction (MAR) techniques, drawn ...
Van Slambrouck, Katrien, Nuyts, Johan, Breckon, Toby P., Van Slambrouck, K., Breckon, T.P., Megherbi, N., Megherbi Bouallagui, Najla, Mouton, Andre, Nuyts, J., Mouton, A.   +9 more
core   +1 more source

Splenosis Mimicking Peritoneal Seeding of Advanced Colon Cancer Can Be Identified by Spleen SPECT/CT and FDG PET/CT

Diagnostics, 2021
This case report demonstrates that Tc-99m labeled heat-damaged red blood cell single-photon emission computed tomography/computed tomography (spleen SPECT/CT) and F-18 fluorodeoxyglucose positron emission tomography/CT (FDG PET/CT) could noninvasively ...
Ji Young Lee, Hee-Sung Song, Jimin Han
doaj   +1 more source

Effect of Whole-body [18F]Fluoro-2-deoxy-2-d-glucose Positron Emission Tomography in Patients with Suspected Brain Metastasis

Indian Journal of Neurosurgery, 2023
Background and Purpose [18F]Fluoro-2-deoxy-2-d-glucose (FDG) positron emission tomography/computed tomography (PET/CT) has a promising role in the workup and management of carcinoma of unknown primary (CUP).
Manish Ora, Neetu Soni, Aftab Hasan Nazar, Anant Mehrotra, Prabhakar Mishra, Sanjay Gambhir   +5 more
doaj   +1 more source

The impact of multimodality integrated positron emission tomography-computed tomography on improving the staging and management of head and neck malignancy: a cross- sectional study

São Paulo Medical Journal, 2022
BACKGROUND: Clinical assessment of head and neck cancers is highly challenging owing to the complexity of regional anatomy and wide range of lesions.
Sethu Thakachy Subha, Abdul Jalil Nordin
doaj   +1 more source

Detection of axillary lymph node metastasis in breast cancer using dual-layer spectral computed tomography

Frontiers in Oncology, 2022
PurposeTo investigate the value of contrast-enhanced dual-layer spectral computed tomography (DLCT) in the detection of axillary lymph node (ALN) metastasis in breast cancer.Materials and MethodsIn this prospective study, 31 females with breast cancer ...
Huijun Li, Huan Wang, Fangfang Chen, Lei Gao, Yurong Zhou, Zhou Zhou, Jinbai Huang, Jinbai Huang, Liying Xu   +8 more
doaj   +1 more source

Establishment of Diagnostic Reference Levels for Computed Tomography Scanning in Hamadan [PDF]

Journal of Biomedical Physics and Engineering, 2020
Background: New advancements have increased the capabilities of computed tomography as a sectional medical imaging modality. An important note is assessing absorbed dose to patients and minimizing it when performing computed tomography examinations.
S Jafari, K Ghazikhanlu Sani, M Karimi, H Khosravi, R Goodarzi, M Pourkaveh   +5 more
doaj   +1 more source