Related Experiment Video
Updated: Aug 7, 2026

04:40
Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
Eliciting a terminology for mammographic calcifications
1Centre for Software Reliability, City University, Northampton Square, London, UK.
Clinical Radiology
|November 1, 2002
Summary
This study developed a new descriptor scheme for mammographic calcifications. The scheme enhances characterization, aiding radiologists in differentiating benign from malignant findings.
Area of Science:
- Radiology
- Medical Imaging
- Diagnostic Tools
Background:
- Mammographic calcifications require accurate differential diagnosis.
- Existing reporting schemes may not capture the full range of descriptive features.
Purpose of the Study:
- To establish and validate a comprehensive descriptor scheme for mammographic calcifications.
- To assess the utility of these descriptors in differentiating benign from malignant calcifications.
Main Methods:
- Radiologists' think-aloud process identified 159 terms, leading to a 50-descriptor scheme.
- The scheme was validated in a second study assessing its ability to discriminate calcification types.
Main Results:
- The developed scheme includes 50 descriptors, with five additional terms identified.
- Descriptors strongly correlated with malignancy risk assessment, showing high specificity for differentiating benign and malignant calcifications.
Conclusions:
- The new descriptor scheme offers a richer characterization of mammographic calcifications.
- This improved characterization has the potential to enhance reporting and understanding of these abnormalities.
Related Concept Videos
X-ray Imaging
German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Computed Tomography
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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...

