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Related Experiment Videos

Gonad dose in cineurethrocystography.

G M Ardran, A Dixon-Brown, P S Fursdon

    The British Journal of Radiology
    |March 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Radiation doses during cineurethrocystography were measured in females and males. Doses were found to be comparable to other studies and standard intravenous pyelogram (IVP) examinations.

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    Area of Science:

    • Radiology
    • Medical Imaging
    • Urology

    Background:

    • Cineurethrocystography is a diagnostic imaging technique.
    • Accurate technical factors and radiation dose assessment are crucial for patient safety.

    Purpose of the Study:

    • To detail the technical factors for cineurethrocystography in the true lateral projection for females.
    • To measure and report radiation doses to midline structures in females and gonads in males during this procedure.
    • To compare these doses with existing literature and other common radiological examinations.

    Main Methods:

    • Radiation dose measurements using Lithium Fluoride thermoluminescent dosimeters (LiF TLD) inserted into the vagina for females.
    • Utilizing a Rando phantom to estimate ovarian radiation dose.

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  • Measuring gonad dose in males with and without lead foil protection.
  • Recording the number of cine frames exposed for each examination.

    • Main Results:

    • Average midline radiation dose in 19 female examinations was 148 mrad (range: 50-306 mrad) with an average of 96 cine frames.
    • Estimated average ovarian dose is 30% higher than midline dose due to proximity.
    • Average male gonad dose with protection was 123 mrad (range: 56-243 mrad) over 107 cine frames.
    • A single male patient without gonad protection received 1575 mrad for 112 cine frames.

    Conclusions:

    • The radiation doses recorded for cineurethrocystography in both sexes are within acceptable ranges.
    • Results compare favorably with published data and doses from intravenous pyelogram (IVP) procedures.
    • The study provides essential data for optimizing radiation safety in cineurethrocystography.