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Which has more radiation: a bone scan or CT scan?

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Dr. Gerald Mandell
Nuclear Medicine

In brief: Sometimes same dose

Background radiation at sea level: 3 msv per year, denver residents get: 6 msv per year, cross country flight: 0.
02 msv, x ray chest: 0.06 msv, ct head: 3 msv, ct chest: 5 msv (equivalent to 100 chest xrays) ct abdomen: 5-10, average bone scan 6.5 msv. Radiation depends on size of patient." radiation affects growing body in children more than adults. Doses to children are much less.

In brief: Sometimes same dose

Background radiation at sea level: 3 msv per year, denver residents get: 6 msv per year, cross country flight: 0.
02 msv, x ray chest: 0.06 msv, ct head: 3 msv, ct chest: 5 msv (equivalent to 100 chest xrays) ct abdomen: 5-10, average bone scan 6.5 msv. Radiation depends on size of patient." radiation affects growing body in children more than adults. Doses to children are much less.
Dr. Gerald Mandell
Dr. Gerald Mandell
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