Advances in brain-tumor treatment hailed

Brain tumors 25 years ago were cut out. Then the area was treated with radiotherapy.

Surgery's still a staple of treatment, but it's more apt to be followed immediately by molecular analysis and genotyping these days, according to Dr. Greg Cairncross, professor of clinical neurosciences and oncology at the University of Calgary in Canada.

Physicians and researchers, including Cairncross, say that if they can figure out the genetic signature of a person's brain tumor, they can select treatments that are most apt to work on it specifically. Not all brain tumors are alike -- not even all brain ...

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