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Related Experiment Videos

Dilated duct pattern at mammography

P T Huynh1, J A Parellada, E S de Paredes

  • 1Department of Radiology, University of Texas Health Science Center at Houston, 77030, USA.

Radiology
|July 1, 1997
PubMed
Summary
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Mammographic screening for dilated ducts is crucial. Asymmetrically dilated ducts, especially in nonsubareolar areas with suspicious microcalcifications or interval changes, may indicate malignancy and warrant further investigation.

Area of Science:

  • Radiology
  • Oncology
  • Breast Imaging

Background:

  • Dilated ducts are a common mammographic finding.
  • Distinguishing benign from malignant causes is essential for patient management.

Purpose of the Study:

  • To assess the significance of asymmetrically dilated ducts on mammography.
  • To identify imaging features associated with malignancy.

Main Methods:

  • Retrospective review of mammograms from 46 women with histopathologically proven asymmetrically dilated ducts.
  • Evaluation of duct laterality, location, branching, microcalcifications, nipple discharge, and interval changes.

Main Results:

  • Malignancy (ductal carcinoma in situ or invasive ductal carcinoma) was found in 11 patients (24%).

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  • Suspicious microcalcifications were present in 6 of the malignant cases (54%).
  • Nonsubareolar location and interval change were significant predictors of malignancy (P = .04).

    • Conclusions:

    • Asymmetrically dilated ducts on mammography require careful evaluation.
    • Biopsy is recommended for nonsubareolar dilated ducts with interval changes or suspicious microcalcifications.