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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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...
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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Clinical Imaging of Microwave Mammography
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Digital breast tomosynthesis: lessons learned from early clinical implementation.

Robyn Gartner Roth1, Andrew D A Maidment, Susan P Weinstein

  • 1From the Department of Breast Imaging, Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce St, 1 Silverstein, Philadelphia, PA 19104.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|July 15, 2014
PubMed
Summary
This summary is machine-generated.

Digital breast tomosynthesis (DBT) improves breast cancer detection by reducing overlapping tissue issues common in mammography. This advanced 3D imaging technique enhances cancer identification and lowers false positives in screening and diagnostic settings.

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Area of Science:

  • Radiology and Medical Imaging
  • Oncology
  • Biomedical Engineering

Background:

  • Conventional mammography faces limitations due to 2D representation of 3D breast volume, causing obscured cancers and false positives from overlapping tissue.
  • These limitations reduce cancer detection sensitivity and increase unnecessary patient recalls, impacting screening effectiveness despite proven mortality reduction.

Purpose of the Study:

  • To evaluate the clinical utility and outcomes of integrating digital breast tomosynthesis (DBT) with digital mammography.
  • To assess DBT's potential to overcome mammography's inherent limitations in breast cancer screening and diagnosis.

Main Methods:

  • Utilized a combination of two-view digital mammography and two-view DBT for screening and diagnostic imaging in a clinical practice.
  • Collected data from over 25,000 patient examinations over a two-year period.
  • Analyzed outcomes in conjunction with existing published data on DBT efficacy.

Main Results:

  • Digital breast tomosynthesis (DBT) significantly minimizes the impact of overlapping breast tissue, enhancing lesion conspicuity.
  • Early clinical data and our practice experience show DBT reduces false-positive callback rates and increases cancer detection rates, especially for invasive cancers.
  • The combined use of DBT and digital mammography demonstrates improved sensitivity and specificity, leading to better screening and diagnostic imaging outcomes.

Conclusions:

  • The integration of digital breast tomosynthesis (DBT) with digital mammography offers a significant advancement in breast imaging.
  • DBT addresses key limitations of conventional mammography, improving both cancer detection and diagnostic accuracy.
  • Our clinical experience supports the widespread adoption of DBT for enhanced breast cancer screening and diagnosis, improving patient outcomes.