Journal
RADIATION PROTECTION DOSIMETRY
Volume 165, Issue 1-4, Pages 194-198Publisher
OXFORD UNIV PRESS
DOI: 10.1093/rpd/ncv107
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Funding
- College of Applied Medical Sciences Research Center
- Deanship of Scientific Research at King Saud University
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Computed tomography (CT) scanning is recognised as a high-radiation dose modality and estimated to be 17 % of the radiological procedure and responsible for 70 % of medical radiation exposure. Although diagnostic X rays provide great benefits, their use involves some risk for developing cancer. The objectives of this study are to estimate radiation doses during chest, abdomen and pelvis CT. A total of 51 patients were examined for the evaluation of metastasis of a diagnosed primary tumour during 4 months. A calibrated CT machine from Siemens 64 slice was used. The mean age was 48.0 +/- 18.6 y. The mean patient weight was 73.8 +/- 16.1 kg. The mean dose-length product was 1493.8 +/- 392.1 mGy cm, Volume CT dose index (CTDIvol) was 22.94 +/- 5.64 mGy and the mean effective dose was 22.4 +/- 5.9 mSv per procedure. The radiation dose per procedure was higher as compared with previous studies. Therefore, the optimisation of patient's radiation doses is required in order to reduce the radiation risk.
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