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Radiation dose to critical organs of staff and patients during neuroradiology

Department of Bio-Medical Physics and Bio-Engineering, University of Aberdeen

The doses delivered to some critical organs of patients and staff during cerebral angiography, X-ray computer assisted tomographic scanning and ⁹⁹Tc^m brain scanning have been measured or assessed.

The results show that doses received by staff and by the patients' gonads are generally quite low. However, patients having two or more of the investigations could receive skin and orbit doses in excess of 25 rad.

^* Present Address: Physics Department, Paisley College of Technology, Paisley.

Received for publication June 1, 1978. Revision received October 1, 1978.