Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Physical and Chemical Properties of Matter02:57

Physical and Chemical Properties of Matter

167.5K
The characteristics that enable us to distinguish one substance from another are called properties.
167.5K
Physical Pendulum01:06

Physical Pendulum

2.8K
When a rigid body is hanging freely from a fixed pivot point and is displaced, it oscillates similar to a simple pendulum and is known as a physical pendulum. The period and angular frequency of a physical pendulum are obtained by using the small-angle approximation and drawing parallels with a spring-mass system. The small-angle approximation (sinθ=θ) is valid up to about 14°.
When dealing with complicated systems, the mass moment of inertia is an important parameter, as it...
2.8K
The Scope of Physics01:17

The Scope of Physics

53.7K
Physics is concerned with the interactions of energy, matter, space, and time, in order to discover the underlying mechanisms that underpin all phenomena. The word "physics" comes from the Greek word "phúsis", which means nature. Physics seeks to comprehend the natural world around us at its most fundamental level. It emphasizes the use of quantitative laws to do this, which could be valuable in other fields that want to push the performance boundaries of present...
53.7K
Solving Problems in Physics02:32

Solving Problems in Physics

9.0K
Problem-solving is the ability to apply general physical principles to specific situations, usually expressed by equations. It is an essential skill in physics, and can also be useful for applying physics in everyday life as well. Analytical skills and problem-solving abilities can be applied to new situations, compared to a list of facts, which can never be extensive enough to include every possible circumstance. To solve physics problems, a certain amount of creativity and insight is...
9.0K
Second Order systems II01:18

Second Order systems II

414
In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
414
Estimation of the Physical Quantities01:05

Estimation of the Physical Quantities

8.0K
On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
8.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A straightforward method for assessing the technical image quality of reconstructed and synthetic 2D images for Digital breast tomosynthesis systems.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2025
Same author

Typical values of z-resolution for different Digital Breast Tomosynthesis systems evaluated in a multicenter study.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2024
Same author

Severe chronic rhinosinusitis treated with dupilumab, a real-life analysis of early effectiveness.

European review for medical and pharmacological sciences·2023
Same author

Workload Balancing in Emergency Night Shifts for a Multicenter Diagnostic Imaging Department: a RIS-Integrated Solution.

Journal of digital imaging·2023
Same author

Peroxisome proliferator-activated receptor-γ signalling protects hair follicle stem cells from chemotherapy-induced apoptosis and epithelial-mesenchymal transition.

The British journal of dermatology·2021
Same author

Mucosal Bacteria Modulate Candida albicans Virulence in Oropharyngeal Candidiasis.

mBio·2021

Related Experiment Video

Updated: Feb 14, 2026

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer
10:36

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer

Published on: March 17, 2016

11.0K

PHYSICAL CHARACTERISATION OF FOUR DIFFERENT COMMERCIAL DIGITAL BREAST TOMOSYNTHESIS SYSTEMS.

O Ortenzia1, R Rossi1, M Bertolini2

  • 1Department of Medical Physics, University Hospital of Parma, Parma, Italy.

Radiation Protection Dosimetry
|February 21, 2018
PubMed
Summary

This study evaluated four digital breast tomosynthesis (DBT) systems, including the new GE Pristina, comparing their dose and image quality. Findings provide benchmarks for quality assurance in DBT imaging.

More Related Videos

Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer
07:45

Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer

Published on: May 18, 2020

7.1K
Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System
10:51

Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System

Published on: April 23, 2021

4.7K

Related Experiment Videos

Last Updated: Feb 14, 2026

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer
10:36

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer

Published on: March 17, 2016

11.0K
Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer
07:45

Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer

Published on: May 18, 2020

7.1K
Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System
10:51

Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System

Published on: April 23, 2021

4.7K

Area of Science:

  • Medical Imaging
  • Radiology
  • Biomedical Engineering

Background:

  • Digital breast tomosynthesis (DBT) is an advanced imaging technique for breast cancer detection.
  • Evaluating the performance of different DBT systems is crucial for optimizing diagnostic accuracy and patient safety.
  • The GE Pristina DBT system had not been previously characterized.

Purpose of the Study:

  • To characterize the performance of four digital breast tomosynthesis (DBT) systems.
  • To assess dose and image quality parameters across different DBT technologies.
  • To establish benchmarks for quality assurance in DBT imaging.

Main Methods:

  • Measured average glandular doses for DBT and 2D full-field digital mammography modes.
  • Utilized various phantoms to evaluate signal difference to noise ratio, slice sensitivity profile, and other image quality metrics.
  • Assessed parameters including artefact spread function, low contrast detectability, and in-plane modulation transfer function (MTF).

Main Results:

  • Significant performance variations were observed among the four DBT systems.
  • Differences in angular range, detector type, reconstruction algorithms, and grid usage were noted.
  • Detailed quantitative data on dose and image quality metrics were collected for each system.

Conclusions:

  • The comprehensive analysis provides valuable data for quality assurance programs in DBT.
  • Established benchmarks can guide the selection and implementation of DBT systems.
  • Understanding system-specific performance is essential for consistent and reliable breast imaging.