A member asked:

How long does it take for a malignant brain tumor to develop?

A doctor has provided 1 answer
Dr. Richard Zimon answered

Specializes in Internal Medicine

Actually`: Some believe that it takes only the time for a SINGLE CELL which has MUTATED (or produced by an abnormal strand of RNA/DNA to START tumor formation. As to how long it takes for SYMPTOMS to occur THAT depends upon the LOCATION of the TUMOR and whether it IRRITATES surrounding tissue ("produces" a siezure) Hope this helps! Dr Z

Answered 4/23/2016

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