Results 11 to 20 of about 6,203,552 (359)

Projection-based stereolithography for direct 3D printing of heterogeneous ultrasound phantoms

open access: yesPLoS ONE, 2021
Modern ultrasound (US) imaging is increasing its clinical impact, particularly with the introduction of US-based quantitative imaging biomarkers. Continued development and validation of such novel imaging approaches requires imaging phantoms that ...
Samantha J. Paulsen   +10 more
doaj   +3 more sources

3D-Printed Tumor Phantoms for Assessment of In Vivo Fluorescence Imaging Analysis Methods

open access: yesMolecular Imaging and Biology, 2022
Purpose Interventional fluorescence imaging is increasingly being utilized to quantify cancer biomarkers in both clinical and preclinical models, yet absolute quantification is complicated by many factors.
E. LaRochelle   +3 more
semanticscholar   +1 more source

Constructing Customized Multimodal Phantoms Through 3D Printing: A Preliminary Evaluation

open access: yesFrontiers in Physics, 2021
Purpose: To develop a method for constructing customizable, multimodal quality control (QC) imaging phantoms based on 3D printing technology.Materials and Methods: Four phantoms were designed and constructed through 3D printing technology using three ...
Jianfeng Qiu   +13 more
doaj   +1 more source

The potential role of 3D-printed phantoms in quality control of artificial intelligence-based algorithms in medical imaging

open access: yesCurrent Directions in Biomedical Engineering, 2023
To ensure accurate and consistent imaging of patients, medical imaging systems are controlled and tested using phantoms. Despite the availability of commercial standard phantoms for decades, 3D printing technology has gained special attention as a tool ...
Pashazadeh Ali, Hoeschen Christoph
doaj   +1 more source

Review of imaging test phantoms

open access: yesJournal of Biomedical Optics, 2023
Photoacoustic tomography has emerged as a prominent medical imaging technique that leverages its hybrid nature to provide deep penetration, high resolution, and exceptional optical contrast with notable applications in early cancer detection, functional brain imaging, drug delivery monitoring, and guiding interventional procedures.
Christie, Liam B.   +6 more
openaire   +2 more sources

Experimental Validation of Microwave Imaging Prototype and DBIM-IMATCS Algorithm for Bone Health Monitoring

open access: yesIEEE Access, 2022
The evaluation of the microwave imaging (MWI) prototype and imaging algorithms on experimental bone phantoms is a precursor step before clinical testing for measuring in vivo dielectric properties of human bones.
Bilal Amin   +4 more
doaj   +1 more source

Tissue mimicking materials for imaging and therapy phantoms: a review

open access: yesPhysics in Medicine and Biology, 2020
Tissue mimicking materials (TMMs), typically contained within phantoms, have been used for many decades in both imaging and therapeutic applications. This review investigates the specifications that are typically being used in development of the latest ...
C. McGarry   +11 more
semanticscholar   +1 more source

Multimodal phantoms for clinical PET/MRI

open access: yesEJNMMI Physics, 2021
Phantoms are commonly used throughout medical imaging and medical physics for a multitude of applications, the designs of which vary between modalities and clinical or research requirements. Within positron emission tomography (PET) and nuclear medicine,
Eve Lennie   +2 more
doaj   +1 more source

Evaluation of MLC Thickness and Composite Effects on Collimation Parameters using EGSnrc and IAEA Phase Space Data [PDF]

open access: yesJournal of Biomedical Physics and Engineering, 2020
Background: Recently, multileaf collimators (MLC) have become an important part of any LINAC collimation system because they reduce the treatment planning time and improve the conformity.
K Hadad, H Alipour
doaj   +1 more source

Physical imaging phantoms for simulation of tumor heterogeneity in PET, CT, and MRI: An overview of existing designs

open access: yesMedical Physics (Lancaster), 2020
Background In oncology, lesion characterization is essential for tumor grading, treatment planning, and follow‐up of cancer patients. Hybrid imaging systems, such as Single Photon Emission Computed Tomography (SPECT)/CT, Positron Emission Tomography (PET)
A. Valladares, T. Beyer, I. Rausch
semanticscholar   +1 more source

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