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Radiation dose in defecography.

R Goei1, G Kemerink

  • 1Department of Radiology, University Hospital Maastricht, University of Limburg, The Netherlands.

Radiology
|July 1, 1990
PubMed
Summary
This summary is machine-generated.

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Defecography involves significant radiation exposure, particularly for women, with mean effective dose equivalents of 4.9 mSv for women and 0.6 mSv for men. Ovarian doses reach 15 mSv, highlighting patient radiation risk in this diagnostic procedure.

Area of Science:

  • Radiology
  • Medical Physics
  • Nuclear Medicine

Background:

  • Defecography is a specialized radiologic examination.
  • Assessing patient radiation dose is crucial for medical imaging procedures.
  • Understanding gonadal dose is important for evaluating hereditary risks.

Purpose of the Study:

  • To estimate the effective dose equivalent and gonadal doses in patients undergoing defecography.
  • To quantify the radiation risk associated with defecography for both male and female patients.
  • To compare radiation doses from defecography with other radiologic procedures.

Main Methods:

  • Radiation doses were estimated for 67 consecutive defecography patients (43 women, 24 men).
  • Measured entrance exposure values and Monte Carlo simulations were utilized.

Related Experiment Videos

  • Effective dose equivalent and specific gonadal doses (ovarian, testicular) were calculated.

    • Main Results:

    • Mean effective dose equivalent was 4.9 mSv ± 1.6 for women and 0.6 mSv ± 0.2 for men.
    • Mean ovarian dose was 15 mSv ± 5.
    • Testicular dose was 0.14 mSv or less due to scattered radiation only.

    Conclusions:

    • Defecography is associated with a considerable, though not extreme, radiation dose.
    • Women receive a significantly higher effective dose equivalent compared to men.
    • The study provides essential data for risk-benefit assessment in defecography.