NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

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A rare condition in which the pituitary gland stops making most or all hormones. Pituitary hormones help control the way many parts of the body work. Symptoms of the condition depend on the hormones that are missing. They include growth problems (in children), obesity (in adults), hair loss, slow heart rate, low blood sugar, low blood pressure, fatigue, and problems with reproduction. This condition may be caused by a tumor on or near the pituitary gland, infection, stroke, injury, surgery, or radiation therapy. It may also be inherited. Also called panhypopituitarism.