IMO, doctors don't hesitate to inject radioactive iodine into our body before a Catscan, so what harm can it do to inject a tiny amount of iodine into your cyst?
Google "Radioactive Iodine" for the whole disgusting story.
More on iodine:
https://sites.google.com/site/iodinereferenes/home
Just my opinion,
Grizz
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