Results 81 to 90 of about 138,343 (192)

A model for gastrointestinal tract motility in a 4D imaging phantom of human anatomy. [PDF]

Med Phys, 2023
Subashi E, Segars P, Veeraraghavan H, Deasy J, Tyagi N.   +4 more
europepmc   +1 more source

Hybrid organosilicon/polyol phantom for photoacoustic imaging

Biomedical Optics Express, 2019
The rapid development of hardware and software for photoacoustic technologies is urging the establishment of dedicated tools for standardization and performance assessment. In particular, the fabrication of anatomical phantoms for photoacoustic imaging remains an open question, as current solutions have not yet gained unanimous support.
Ratto Fulvio, Cavigli Lucia, Borri Claudia, Centi Sonia, Magni Giada, Mazzoni Marina, Pini Roberto   +6 more
openaire   +4 more sources

Evaluation and Validation of clinical 4.23 T sodium MRI in animals and human: Application of oblique multi-slice spin-echo pulse sequence [PDF]

, 2009
Objective: Application of high-field 4.23 T MRI clinical imager was demonstrated for sodium-magnetic resonance imaging (MRI) data acquisition. Primary hypothesis: Sodium [Na] in brain is MR visible. Secondary hypothesis was, if, application of multislice
Jose Katz, Rakesh Sharma
core   +1 more source

A novel multi-modality imaging phantom for validating interstitial needle guidance for high dose rate gynecological brachytherapy. [PDF]

J Appl Clin Med Phys, 2023
Eckroate B, Ayala-Peacock D, Venkataraman R, Campelo S, Chino J, Stephens SJ, Kim Y, Meltsner S, Raffi J, Craciunescu O.   +9 more
europepmc   +1 more source

Design and Use of a Custom Phantom for Regular Tests of Radiography Apparatus: A Feasibility Study

Journal of Imaging
This study investigates the feasibility of employing an in-house-developed physical phantom dedicated to the weekly quality control testing of radiographic systems, performed by radiographers. For this purpose, a 3D phantom was fabricated, featuring test
Nikolay Dukov, Vanessa-Mery Valkova, Mariana Yordanova, Virginia Tsapaki, Kristina Bliznakova   +4 more
doaj   +1 more source

A patient-specific multi-modality abdominal aortic aneurysm imaging phantom. [PDF]

Int J Comput Assist Radiol Surg, 2022
Little CD, Mackle EC, Maneas E, Chong D, Nikitichev D, Constantinou J, Tsui J, Hamilton G, Rakhit RD, Mastracci TM, Desjardins AE.   +10 more
europepmc   +1 more source

Development of Synchronous Arbitrary Gate-PW Doppler for Ultrasound Microvascular Imaging and Preliminary Validation

Zhongguo yiliao qixie zazhi
Ultra micro angiography (UMA) can effectively improve the sensitivity and spatial resolution of blood flow imaging. To further meet the clinical requirements of quantitative measurements for microvascular imaging, this article demonstrated technical ...
Chao LI, Lanxi XIANG, Yigang DU, Zhilan ZHENG, Shuangshuang LI   +4 more
doaj   +1 more source

Evaluation of Apparent Diffusion Coefficient Repeatability and Reproducibility for Preclinical MRIs Using Standardized Procedures and a Diffusion-Weighted Imaging Phantom. [PDF]

Tomography, 2023
Malyarenko D, Amouzandeh G, Pickup S, Zhou R, Manning HC, Gammon ST, Shoghi KI, Quirk JD, Sriram R, Larson P, Lewis MT, Pautler RG, Kinahan PE, Muzi M, Chenevert TL.   +14 more
europepmc   +1 more source

Fabrication of a spherical inclusion phantom for validation of magnetic resonance-based magnetic susceptibility imaging.

PLoS ONE, 2019
Fabrication of a spherical multi-compartment MRI phantom is demonstrated that can be used to validate magnetic resonance (MR)-based susceptibility imaging reconstruction.
Jun-Ho Kim, Jung-Hyun Kim, So-Hee Lee, Jinhyoung Park, Seung-Kyun Lee   +4 more
doaj   +1 more source

Design and evaluation of a modular multimodality imaging phantom to simulate heterogeneous uptake and enhancement patterns for radiomic quantification in hybrid imaging: A feasibility study. [PDF]

Med Phys, 2022
Kalisvaart GM, van Velden FHP, Hernández-Girón I, Meijer KM, Ghesquiere-Dierickx LMH, Brink WM, Webb A, de Geus-Oei LF, Slump CH, Kuznetsov DV, Schaart DR, Grootjans W.   +11 more
europepmc   +1 more source