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Cancer treatment myths: Any truth to these common beliefs?

Myth: A needle biopsy can disturb cancer cells, causing them to travel to other parts of the body

Truth: For most types of cancer, there's no conclusive evidence that a needle biopsy — a procedure used to diagnose many types of cancer — causes cancer cells to spread.

There are exceptions, though, of which doctors and surgeons are aware. For instance, a needle biopsy usually isn't used in diagnosing testicular cancer. Instead, if a doctor suspects testicular cancer, the testicle is removed.