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Related Experiment Video

Updated: Jul 8, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

CCD mosaic technique for large-field digital mammography.

A Jalink1, J McAdoo, G Halama

  • 1NASA Langley Res. Center, Hampton, VA.

IEEE Transactions on Medical Imaging
|January 1, 1996
PubMed
Summary

A new digital mammography technique uses a mosaic of charge-coupled device (CCD) arrays and area scanning for large-field imaging. This method enhances lesion detection and reduces radiation exposure, improving breast cancer screening.

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Area of Science:

  • Medical Imaging
  • Radiology
  • Digital Mammography Technology

Background:

  • Digital mammography is crucial for breast cancer screening.
  • Current systems face limitations in field coverage and spatial resolution.
  • Reducing radiation exposure and scatter is essential for patient safety and image quality.

Purpose of the Study:

  • To introduce a novel digital mammography technique for large-field imaging.
  • To demonstrate the technical feasibility and unique features of the proposed instrument.
  • To assess the potential for improved lesion detectability and reduced radiation exposure.

Main Methods:

  • Utilizes a mosaic of electronic digital imaging (charge-coupled device - CCD) arrays.
  • Employs novel area scanning with repositioning of the imaging platform and X-ray exposures.

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  • Incorporates a radiation exposure and scatter reducing mechanism using a synchronized lead aperture plate.

    • Main Results:

    • Achieved large field coverage of 18x24 cm.
    • Demonstrated high spatial resolution of 14-17 line pairs/mm.
    • Exhibited excellent contrast characteristics and lesion detectability with scatter rejection.

    Conclusions:

    • The novel digital mammography technique is technically feasible.
    • The instrument offers significant advantages in field coverage, resolution, and image quality.
    • This approach is suitable for integration into standard mammography units, potentially enhancing breast cancer screening.