Answer to Question #2970 Submitted to "Ask the Experts"
The following question was answered by an expert in the appropriate field:
My question is regarding my three-year-old daughter. She recently had surgery to reimplant her ureters. In a 12-month time frame she had four VCUGs (voiding cystourethrograms). I am extremely worried about her radiation exposure. Could you please tell me about how much radiation she could have gotten? Every time they repeated the tests I reminded them how many she had already had. They never seemed to worry about it. I have heard there is a test that they can do in place of the VCUG but they never offered it.
The radiation exposure from a VCUG is greater than that from many diagnostic x-ray procedures, but also much less than that from many others. I know of no reports of ill effects from these exams. Further, all expert bodies and responsible authorities recommend that medically justified x-ray examinations be performed without regard to radiation risk. The potential benefit is so great. Estimated radiation risk ranges from very small to zero.
Conclusion: The medical benefits from your daughter's exposures clearly outweigh any potential risk.
S. Julian Gibbs, PhD, DDS
Answer posted on 1 October 2003. The information and material posted on this website is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Website. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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