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Adnexal structures: MR imaging.

G C Dooms, H Hricak, D Tscholakoff

    Radiology
    |March 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Magnetic resonance imaging (MRI) effectively visualizes pelvic adnexa in women. Specific MRI sequences help differentiate normal adnexa and adnexal masses, aiding diagnosis.

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    Area of Science:

    • Radiology
    • Pelvic Imaging
    • Women's Health

    Background:

    • Adnexal diseases require accurate imaging for diagnosis.
    • Magnetic resonance (MR) imaging offers detailed pelvic visualization.

    Purpose of the Study:

    • To evaluate the effectiveness of MR imaging in demonstrating adnexa.
    • To characterize signal intensities of normal adnexa and adnexal lesions.
    • To assess MR imaging's utility in identifying the origin of pelvic masses.

    Main Methods:

    • Retrospective analysis of pelvic MR images from 63 women.
    • Utilized contiguous MR imaging sections without gaps.
    • Assessed signal intensities using varying repetition times (TR) and echo delay times (TE).

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    Main Results:

    • Adnexa were visualized bilaterally in most healthy reproductive-aged women but fewer postmenopausal women.
    • Normal adnexa showed low to medium signal intensity with short TR/TE and fat-like intensity with long TR/TE.
    • MR imaging correctly identified the adnexal origin of all pelvic masses.
    • Simple fluid lesions exhibited characteristic long T1/T2 relaxation times and low signal intensity, differentiating them from other lesions.

    Conclusions:

    • MR imaging is valuable for visualizing pelvic adnexa in women.
    • Specific MR parameters allow for characterization of normal adnexa and adnexal lesions.
    • MR imaging accurately determines the adnexal origin of pelvic masses and differentiates simple fluid lesions.