Related Experiment Video
Updated: Jul 11, 2026
13:44
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
Published on: August 30, 2013
Improving mammographic interpretation: double reading and computer-aided diagnosis.
1Department of Radiology, University of Michigan Health System, 1500 East Medical Center Drive, TC 2910N, Ann Arbor, MI 48109-0326, USA. mahelvie@umich.edu
Radiologic Clinics of North America
|September 25, 2007
Summary
Double reading (DR) and computer-aided detection (CAD) aim to enhance mammography screening. However, their impact on survival remains unevaluated, with trade-offs between sensitivity and specificity impacting clinical decisions.
Area of Science:
- Radiology
- Medical Imaging
- Public Health
Background:
- Screening mammography is crucial for early breast cancer detection.
- Double reading (DR) and computer-aided detection (CAD) are widely adopted to improve mammogram interpretation.
- Current analysis of DR and CAD efficacy is limited by a lack of survival data.
Purpose of the Study:
- To critically evaluate the performance of double reading (DR) and computer-aided detection (CAD) in screening mammography.
- To highlight the limitations in current evidence regarding the impact of these technologies on patient survival.
- To discuss the multifaceted considerations involved in balancing screening performance metrics.
Main Methods:
- Review of existing literature on double reading (DR) and computer-aided detection (CAD) in mammography.
- Analysis of reported changes in sensitivity and specificity for DR and CAD.
- Identification of the absence of randomized controlled trials assessing survival outcomes.
Main Results:
- Both double reading (DR) and computer-aided detection (CAD) have demonstrated improvements in sensitivity for detecting breast cancer on screening mammograms.
- A common finding associated with DR and CAD is a decrease in specificity, potentially leading to increased false positives.
- No randomized controlled trials have been published to assess the definitive impact of DR and CAD on patient survival rates.
Conclusions:
- The clinical utility of double reading (DR) and computer-aided detection (CAD) requires further investigation, particularly through survival-focused randomized controlled trials.
- The decision to implement or rely on DR and CAD involves complex trade-offs between diagnostic accuracy metrics (sensitivity vs. specificity).
- Factors such as healthcare policy, economic implications, cultural norms, legal considerations, and patient preferences are critical in the broader assessment and implementation of these mammography enhancement techniques.
Related Concept Videos
01:10Computed 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...
01:30Radiological 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...