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Related Concept Videos

Computed Tomography01:10

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...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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Related Experiment Video

Updated: May 31, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Breast cancer screening with tomosynthesis--initial experiences.

A Tingberg1, D Förnvik, S Mattsson

  • 1Department of Medical Radiation Physics, Lund University, Skåne University Hospital, Malmö, Sweden. anders.tingberg@med.lu.se

Radiation Protection Dosimetry
|July 8, 2011
PubMed
Summary
This summary is machine-generated.

Breast tomosynthesis (BT) shows higher accuracy than digital mammography (DM) in cancer screening. While reading time is longer, BT offers improved precision and potential for lower compression, enhancing its role in mammography.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Digital mammography (DM) is a standard for breast cancer screening.
  • Emerging tomosynthesis technology (BT) offers potential advancements.

Purpose of the Study:

  • Compare the sensitivity and specificity of BT versus DM for breast cancer screening.
  • Evaluate the diagnostic precision, size measurement accuracy, and stage determination of BT.
  • Assess the feasibility of using lower compression force with BT.

Main Methods:

  • Population-based study involving over 2000 women examined with both BT and DM.
  • Comparative analysis of diagnostic performance metrics between the two imaging modalities.

Main Results:

  • BT demonstrated higher diagnostic precision, accuracy in size measurements, and stage determination compared to DM in preparatory studies.
  • BT reading time is significantly longer than DM reading time.
  • Potential exists for reduced compression force with BT without compromising diagnostic accuracy.

Conclusions:

  • Breast tomosynthesis exhibits superior diagnostic capabilities compared to conventional digital mammography.
  • BT may play a significant role in both clinical diagnostics and screening mammography.
  • Further large-scale population-based studies are ongoing to confirm BT's screening efficacy.