The treatment Jim Barnes refers to was probably a Grenz ray treatment. Basically, this means therapeutic skin treatment with bremsstrahlung x-rays produced at peak kilovoltages ranging between about 5 to 20 kVp. I have no idea what sort of doses would be applied, whether the treatment would be fractionated, etc. (The usual disclaimers.) wayne johnston nh bur. rad. health wjohnsto@dhhs.state.nh.us