why beta radiation can be used in treating skin cancer but not cancers inside the body?

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Beta radiation is not bone penetrating like gamma radiation. The beta has a difficult time even penetrating the epidermis layer of skin and the dosage must be great to succeed. Gamma is penetrating and kills a great amount of cells. Beta is low level and kills only local cells. You can use gamma radiation on skin cancer; but there will be excessive skin death, as well as cells in muscle and bone being damaged or killed.

I work with doctors of nuclear medicine and I also worked for the United States Department of Energy at the Savannah River Site.

Beta radiation has a high energy, compared to other forms of radiation that can be used for cancer treatment.

It is capable of penetrating deep down into the body and being effective... the tissues of the body will not stop it too early.

You have it backwards

I have use beta radiation to treat cancer spread through the abdomen. It is not used on skin cancers..

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why beta radiation can be used in treating skin cancer but not cancers inside the body?

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