Several companies offering alternative radiation therapy

Terri Somers
UNION-TRIBUNE STAFF WRITER

For decades, people with tumors in the head and neck had few treatment options that didn't require surgery. There was general radiation therapy, which had plenty of side effects such as hair loss and damage to healthy tissue.

And there was the Leskell Gamma Knife, a technology out of Sweden. It was the long-favored technology of radiologists and neurosurgeons because it applied a precisely focused beam of radiation at a tumor to destroy it, with little to no damage to surrounding tissue.

But capitalism, drugs and technology have started to change the market.

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