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Related Concept Videos

Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Updated: Jul 10, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

[Mammography screening--advantages and disadvantages].

Anne Helene Olsen1, Walter Schwartz, Ilse M M Vejborg

  • 1Københavns Universitet, Institut for Folkesundhedsvidenskab, Afdeling for Epidemiologi, Odense Universitetshospital, Mammograficentret, København K. a.h.olsen@pubhealth.ku.dk

Ugeskrift for Laeger
|October 24, 2007
PubMed
Summary

Mammography screening offers benefits and drawbacks. Ongoing research and process indicators are essential for monitoring and optimizing this breast cancer screening program in Denmark.

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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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Last Updated: Jul 10, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Area of Science:

  • Public Health
  • Oncology
  • Radiology

Background:

  • Mammography screening presents both advantages and disadvantages.
  • Extensive international and Danish research is ongoing in this field.
  • Nationwide mammography screening commenced in Denmark in 2007.

Purpose of the Study:

  • To closely monitor the advantages and disadvantages of mammography screening.
  • To assess the extent of these benefits and drawbacks.
  • To explore the optimization of the balance between advantages and disadvantages.

Main Methods:

  • Defining process indicators for close monitoring.
  • Long-term evaluation of screening program effects.
  • Analysis of national screening data.

Main Results:

  • The full impact of screening on breast cancer mortality requires several years of observation.
  • Process indicators are necessary for timely program assessment.
  • Continuous monitoring is crucial for program optimization.

Conclusions:

  • Close monitoring of mammography screening's benefits and drawbacks is vital.
  • Process indicators are essential for evaluating and optimizing the national program.
  • Long-term data collection is required to ascertain the program's effect on breast cancer mortality.