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Why can pituitary tumors cause visual problems?

Marvin Bergsneider, MD
Neurosurgery
The pituitary gland is situated right in the back of the nose. It's deep, almost to the middle of the skull. In terms of its anatomy, the most important thing to understand is that it sits just below the optic nerves. Where the optic nerves cross is called the chiasm. As pituitary tumors grow, they can push up on the chiasm and cause visual problems.

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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.