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Fibroadenomas: histopathologic and MR imaging features.

C B Stelling, D E Powell, S S Mattingly

    Radiology
    |February 1, 1987
    PubMed
    Summary
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    Magnetic resonance (MR) imaging of fibroadenomas shows variable appearances. Differentiating benign from malignant tumors using MR imaging alone is challenging due to inconsistent findings.

    Area of Science:

    • Radiology
    • Oncology
    • Pathology

    Background:

    • Fibroadenomas are common benign breast tumors.
    • Accurate differentiation from malignant lesions is crucial for patient management.

    Purpose of the Study:

    • To evaluate the magnetic resonance (MR) imaging characteristics of fibroadenomas.
    • To assess the utility of MR imaging in differentiating fibroadenomas from malignant breast tumors.

    Main Methods:

    • In vivo study of twelve fibroadenomas using magnetic resonance (MR) imaging.
    • Utilized a cylindrical surface coil at 0.15 T.
    • Analyzed T1- and T2-weighted images for signal intensity and homogeneity.

    Main Results:

    • Fibroadenomas displayed variable signal intensities on T1- and T2-weighted MR images.

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  • Inhomogeneity was observed in several lesions on both image types.
  • No consistent correlation between MR appearance and histopathologic findings was identified.

    • Conclusions:

    • The MR imaging appearance of fibroadenomas is highly variable.
    • Differentiating benign fibroadenomas from malignant circumscribed tumors based solely on MR imaging is difficult.