Results 11 to 20 of about 13,347 (152)

Hounsfield scale (diagram)

, 2020
Francis Fortin
openalex   +2 more sources

Dual-Energy Computed Tomography (DECT) for Diagnosing Contrast-Induced Encephalopathy (CIE) Mimicking Intracranial Hemorrhage (ICH): A Rare Case [PDF]

Diagnostics
Contrast-induced encephalopathy (CIE) is a rare complication after percutaneous coronary intervention (PCI) that mimics intracranial hemorrhage (ICH). Its computed tomography (CT) findings (cortical contrast enhancement, sulci effacement) overlap with ...
Yuhong Shen, Tianhe Ye
doaj   +2 more sources

SIFT-GVF-based lung edge correction method for correcting the lung region in CT images

PLoS ONE, 2023
Juxtapleural nodules were excluded from the segmented lung region in the Hounsfield unit threshold-based segmentation method. To re-include those regions in the lung region, a new approach was presented using scale-invariant feature transform and ...
Xin Li, Bin Feng, Sai Qiao, Haiyan Wei, Changli Feng   +4 more
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Hemorrhage Evaluation and Detector System for Underserved Populations: HEADS-UP

Mayo Clinic Proceedings: Digital Health, 2023
Objective: To create a rapid, cloud-based, and deployable machine learning (ML) method named hemorrhage evaluation and detector system for underserved populations, potentially across the Mayo Clinic enterprise, then expand to involve underserved areas ...
Saif Salman, MD, Qiangqiang Gu, PhD, Benoit Dherin, PhD, Sanjana Reddy, MS, Patrick Vanderboom, PhD, Rohan Sharma, MBBS, Lin Lancaster, PhD, Rabih Tawk, MD, William David Freeman, MD   +8 more
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Optimization technique for increasing resolution in computed tomography imaging

MethodsX, 2023
Starting from the importance of conforming to biological reality in medicine, in this paper we propose an optimization technique for increasing resolution of computed tomography (CT) images acquired using various existing scanners.
I.V. Grossu, O. Savencu, M. Verga, N. Verga   +3 more
doaj   +1 more source

Accuracy of CT numbers and electron density calibration for mixtures of materials with low and high-atomic number

Current Directions in Biomedical Engineering, 2023
In computed tomography (CT) materials with high-atomic number Z cause image artefacts, thus, errors in CT numbers given in Hounsfield Units (HU). Also, the conventional HU scale (CHU) implemented in CT scanners is truncated, i.e., it does not cover high ...
Ese Zehra, Erni Daniel, Zylka Waldemar
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Value of Thrombus Imaging Characteristics as a Guide for First‐Line Endovascular Thrombectomy Device in Patients With Acute Ischemic Stroke

Stroke: Vascular and Interventional Neurology, 2023
Background It has been suggested that selection of a first‐line endovascular thrombectomy device, that is, contact aspiration (CA) or stent retriever (SR) thrombectomy, could be based on thrombus type.
Nikki Boodt, Agnetha A. E. Bruggeman, Manon Kappelhof, Sanne J. den Hartog, Nerea Arrarte Terreros, Jasper M. Martens, Reinoud P. H. Bokkers, Pieter‐Jan van Doormaal, Charles B. L. M. Majoie, Wim H. van Zwam, Henk A. Marquering, Diederik W. J. Dippel, Aad van der Lugt, Hester F. Lingsma   +13 more
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Extension of the Stoichiometric Calibration of CT Hounsfield values to Metallic Materials

Current Directions in Biomedical Engineering, 2020
Nowadays, patients with metallic implants undergoing radiotherapy may suffer from inaccuracy in the treatment plan caused by the implant. To ensure a precise plan an accurate relation between Hounsfield values of the computer tomographic (CT) images and ...
Ese Zehra, Zylka Waldemar
doaj   +1 more source

Reduction of Peristalsis-Related Streak Artifacts on the Liver with Dual-Layer Spectral CT

Diagnostics, 2022
Background: Peristalsis-related streak artifacts on the liver compromise image quality and diagnostic accuracy. Purpose: To assess dual-layer spectral-detector computed tomography (CT) image reconstructions for reducing intestinal peristalsis-related ...
Sergio Grosu, Zhen J. Wang, Markus M. Obmann, Mark D. Sugi, Yuxin Sun, Benjamin M. Yeh   +5 more
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Advocacy of diagnostic criteria for maxillary incisive canal cysts based on alteration of normal maxillary incisive canals according to aging in Japanese populations

Head & Face Medicine, 2019
Background The purpose of the present study was to describe the CT imaging findings of normal incisive canals and incisive canal cysts and propose cut-off values to differentiate between them.
Naruhiko Ueda, Tatsurou Tanaka, Masafumi Oda, Nao Wakasugi-Sato, Shinobu Matsumoto-Takeda, Yuichi Miyamura, Takaaki Jyoujima, Kouichi Kiyota, Kensuke Tsutsumi, Yasuhiro Morimoto   +9 more
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