Treatment Option Overview
There are different types of treatment for patients with pituitary tumors.
Different types of treatments are available for patients with pituitary tumors. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment. Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.
General Information About Pituitary Tumors
A pituitary tumor is a growth of abnormal cells in the tissues of the pituitary gland. Pituitary tumors form in the pituitary gland, a pea-sized organ in the center of the brain, just above the back of the nose. The pituitary gland is sometimes called the "master endocrinegland" because it makes hormones that affect the way many parts of the body work. It also controls hormones made by many other glands in the body. Anatomy of the inside of the brain, showing the pineal and pituitary glands, optic...
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Four types of standard treatment are used:
Surgery
Many pituitary tumors can be removed by surgery using one of the following operations:
- Transsphenoidal surgery: A type of surgery in which the instruments are inserted into part of the brain by going through an incision (cut) made under the upper lip or at the bottom of the nose between the nostrils and then through the sphenoid bone (a butterfly-shaped bone at the base of the skull) to reach the pituitary gland. The pituitary gland lies just above the sphenoid bone.
- Endoscopic transsphenoidal surgery: A type of surgery in which an endoscope is inserted through an incision (cut) made at the back of the inside of the nose and then through the sphenoid bone to reach the pituitary gland. An endoscope is a thin, tube-like instrument with a light, a lens for viewing, and a tool for removing tumortissue.
- Craniotomy: Surgery to remove the tumor through an opening made in the skull.
Even if the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given chemotherapy or radiation therapy after surgery to kill any cancer cells that are left. Treatment given after the surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.
Radiation therapy
Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. There are two types of radiation therapy. External radiation therapy uses a machine outside the body to send radiation toward the cancer. Internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer.
Stereotactic radiation surgery uses a rigid head frame attached to the skull to aim a single large dose of radiation directly to a tumor, causing less damage to nearby healthy tissue. It is also called stereotaxic radiosurgery, radiosurgery, and radiation surgery. This procedure does not involve surgery.
The way the radiation therapy is given depends on the type of the cancer being treated.
WebMD Public Information from the National Cancer Institute
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