The pituitary gland is bordered on either side by the cavernous sinuses and below by the sphenoid sinus. The gland is connected to the hypothalamus in the brain by the pituitary stalk. It sits in a small pocket of bone in the base of the skull called the sella turcica. It has a large anterior lobe (gland cells that produce hormones) and a smaller posterior lobe (nerve cells that release hormones). The pituitary gland is a small, bean-shaped organ that sits at the base of the brain, behind the bridge of the nose (Fig. Treatment options aim to remove the tumor or control its growth and correct hormone levels with medications. Most are benign (not cancer) and are often curable. There are various kinds of pituitary tumors: adenomas, craniopharyngiomas, and Rathke’s cleft cysts. They can also cause headaches and vision problems. ![]() Tumors that grow from the pituitary gland can affect the whole body by interfering with normal hormone levels. Pituitary tumors (adenoma, craniopharyngioma) Overview
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