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How often are pituitary tumors cancerous?

Anthony P. Heaney, MD
Endocrinology Diabetes & Metabolism
Pituitary tumors are rarely cancerous and do not extend outside of the skull. People can have locally invasive tumors that often require a combination of treatment with surgery, medical therapies and radiation depending on the individual circumstances.
Marvin Bergsneider, MD
Neurosurgery
Pituitary tumors are almost always benign. It's very rare for people to have pituitary carcinoma, which is cancer of the pituitary gland. But if the pituitary tumor is secreting certain hormones, it can cause problems in your body that can lead to serious consequences, including vision loss. Even though the tumor itself behaves benignly, the hormones it produces can be serious.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.