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[Dosimetry comparison of pelvimetry methods using conventional radiologic technic and x-ray scanner]
M Germond1, S Raimondi, P Schnyder
1Département de Gynécologie-Obstétrique, CHUV, CH-1011 Lausanne.
Summary
CT-scan X-ray pelvimetry significantly reduces radiation exposure for both mother and fetus compared to conventional X-rays. This advanced imaging method offers superior film quality, making CT-scanning pelvimetry a safer diagnostic choice.
Area of Science:
- Radiology and Imaging Science
- Medical Physics
Background:
- Conventional X-ray pelvimetry is a standard diagnostic tool in obstetrics.
- Concerns exist regarding radiation dose associated with conventional X-ray procedures.
Purpose of the Study:
- To compare radiation doses and image quality between conventional X-ray pelvimetry and CT-scan pelvimetry.
- To evaluate the safety and efficacy of CT-scan pelvimetry as an alternative diagnostic method.
Main Methods:
- Radiation doses were measured on the surface and in deep tissues for both methods.
- Total radiation doses received by patients undergoing conventional X-ray pelvimetry and CT-scan pelvimetry were quantified.
- Image quality of films produced by both techniques was assessed.
Main Results:
- CT-scan pelvimetry resulted in approximately 1/10th the total radiation dose compared to conventional X-ray pelvimetry.
- Patients and fetuses experienced significantly lower radiation exposure with CT-scan pelvimetry.
- CT-scan pelvimetry produced high-quality diagnostic images.
Conclusions:
- CT-scan pelvimetry is an acceptable and safer alternative to conventional X-ray pelvimetry.
- The reduced radiation dose and superior image quality enhance patient safety in pelvimetry assessments.