Interventional radiologic procedures cause radiation exposure not only for the patients but also for the operator. Scatter radiation from the patient' s body can cause lens injury if inappropriate equipments including overhead-tube x-ray machine are used. Risk of radiation-induced cancer is minimized by keeping the occupational dose limits. Technique to reduce patient' s dose are useful for reducing dose of the operator as well. Accurate and simple method to measure the doses for the operator is desirable.
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