Question

Thyroid

Why can benign tumors still be dangerous?

A Answers (1)

  • AMichael Roizen, MD, Internal Medicine, answered
    Some tumors don't have cancer cells; this means that they're benign. However, the dictionary definition of 'benign' doesn't apply perfectly here, because a benign tumor can still be dangerous. Why? Benign tumors can grow to block off the pathway of important nutrients and bloody supply throughout the body. That's why surgery is sometimes necessary to remove benign tumors-to re-open the roads for nutrients to get to the organs.
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Why are thyroid function tests not always reliable?