Can CT scan protocols used for radiotherapy treatment planning be adjusted to optimize image quality and patient dose? A systematic review

AT Davis, AL Palmer, A Nisbet - The British journal of radiology, 2017 - academic.oup.com
This article reviews publications related to the use of CT scans for radiotherapy treatment
planning, specifically the impact of scan protocol changes on CT number and treatment …

Flat-panel conebeam CT in the clinic: history and current state

R Fahrig, DA Jaffray, I Sechopoulos… - Journal of Medical …, 2021 - spiedigitallibrary.org
Research into conebeam CT concepts began as soon as the first clinical single-slice CT
scanner was conceived. Early implementations of conebeam CT in the 1980s focused on …

Scatter correction for full‐fan volumetric CT using a stationary beam blocker in a single full scan

T Niu, L Zhu - Medical physics, 2011 - Wiley Online Library
Purpose: Applications of volumetric CT (VCT) are hampered by shading and streaking
artifacts in the reconstructed images. These artifacts are mainly due to strong x‐ray scatter …

Assessment of the variation in CT scanner performance (image quality and Hounsfield units) with scan parameters, for image optimisation in radiotherapy treatment …

AT Davis, AL Palmer, S Pani, A Nisbet - Physica Medica, 2018 - Elsevier
Purpose To define a method and investigate how the adjustment of scan parameters
affected the image quality and Hounsfield units (HUs) on a CT scanner used for …

4D CT lung ventilation images are affected by the 4D CT sorting method

T Yamamoto, S Kabus, C Lorenz, E Johnston… - Medical …, 2013 - Wiley Online Library
Purpose: Four‐dimensional (4D) computed tomography (CT) ventilation imaging is a novel
promising technique for lung functional imaging. The current standard 4D CT technique …

Four-dimensional measurement of the displacement of internal fiducial markers during 320-multislice computed tomography scanning of thoracic esophageal cancer

H Yamashita, S Kida, A Sakumi, A Haga, S Ito… - International Journal of …, 2011 - Elsevier
PURPOSE: To investigate the three-dimensional movement of internal fiducial markers
placed near esophageal cancers using 320-multislice CT. METHODS AND MATERIALS …

Phantom for contrast imaging calibration

C Coolens, H Keller - US Patent 8,895,912, 2014 - Google Patents
An imaging phantom for contrast imaging calibration. The phantom includes a body defining
at least one cavity having a directional configuration corresponding to at least one pre …

In vivo X-Ray Computed Tomographic Imaging of Soft Tissue with Native, Intravenous, or Oral Contrast

CA Wathen, N Foje, T van Avermaete, B Miramontes… - Sensors, 2013 - mdpi.com
X-ray Computed Tomography (CT) is one of the most commonly utilized anatomical imaging
modalities for both research and clinical purposes. CT combines high-resolution, three …

Development of a dynamic flow imaging phantom for dynamic contrast‐enhanced CT

B Driscoll, H Keller, C Coolens - Medical physics, 2011 - Wiley Online Library
Purpose: Dynamic contrast enhanced CT (DCE‐CT) studies with modeling of blood flow and
tissue perfusion are becoming more prevalent in the clinic, with advances in wide volume …

Method and system for managing imaging data, and associated devices and compounds

J Barfett, D Mikulis, T Krings… - US Patent App. 12/954,808, 2011 - Google Patents
Methods, systems, devices and compounds for managing imaging data, such as time series
imaging data. The method may include selecting a set of representative voxels from a …