Pituitary adenomas are benign tumors that occur in the pituitary gland. They vary depending on their size and the type of hormones they produce. Some pituitary adenomas do not produce any hormones and are referred to as non-functioning adenomas, while others produce hormones that can cause a wide range of symptoms.
Common symptoms include headaches, visual disturbances, fatigue, and changes in sexual function or menstrual cycles. The most common types involve lactotrophs that make prolactin, somatotrophs that make growth hormones, and corticotrophs that make ACTH. They are usually diagnosed by checking hormone levels and obtaining an MRI and are treated with medications or surgery.
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