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What causes pituitary disease?

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A pituitary disease or disorder is caused by tumors that have developed in the pituitary gland; head trauma; injuries; certain medications; and bleeding that is close to or inside the pituitary, notes the Hormone Health Network. Tumors can cause medical issues when they are enlarged and distort the function of the structures in the brain near the pituitary gland.

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Pituitary disorders or diseases can result in tumors, but the likelihood of a cancerous tumor is often rare, states the Hormone Health Network. A tumor that produces an excess of a particular hormone made by the pituitary is known as a secretory tumor, while a non-secretory tumor does not produce the designated hormones.

Individuals with a pituitary tumor may develop symptoms as a result of the pressure from the tumor, explains Mayo Clinic. Common symptoms include vision loss; vomiting or nausea; headaches; weakness; or unintentional weight gain or loss. Some patients may notice less frequent menstrual periods or a lapse of menstrual periods; sexual dysfunction; body hair loss; or increased amounts and frequency of urination when a pituitary tumor exists.

The pituitary gland is a small organ located in the brain that produces hormones distributed throughout the body to help stimulate other glands and direct processes of the body, according to the Hormone Health Network.

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