Prolactinoma (patient information)
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Editor-in-Chief: Jinhui Wu, MD
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What is prolactinoma?
How do I know if I have prolactinoma and what are the symptoms of prolactinoma?
Early prolactinoma does not have any symptoms. As the tumor grows larger, people may notice one or more of the following symptoms:
- Abnormal milk flow from the breast in a woman who is not pregnant or nursing
- Breast tenderness in women
- Stopping of menstruation not related to menopause
- Decreased sexual interest
- Headache
- Infertility
- Vision changes
Other health problems may also cause these symptoms. Only a doctor can tell for sure. A person with any of these symptoms should tell the doctor so that the problems can be diagnosed and treated as early as possible.
Who is at risk for prolactinoma?
Studies suggest that prolactinoma may be caused by an abnormal mutation of a gene that was passed along from a parent.
How to know you have prolactinoma?
- Prolactin levels in blood: The blood level of prolactin in patients with prolactinoma may be higher than normal.
- Testosterone levels in men: Blood levels of testosterone in men with prolactinoma may decrease.
- Computed tomography (CT) scan: Cranial CT scans are often used to diagnose prolactinoma. It can confirm the location of the tumor and show the tissues nearby.
- Magnetic resonance imaging (MRI): An cranial MRI uses magnetic fields but which is a different imaging type from computed tomography (CT) to produce detailed images of the body. Like computed tomography (CT), a contrast agent may be injected into a patient’s vein to create a better picture. Cranial MRI can show a pituitary mass in the patient.
When to seek urgent medical care?
Call your health care provider if symptoms of prolactinoma develop.
Treatment options
Diseases with similar symptoms
Where to find medical care for prolactinoma?
Directions to Hospitals Treating prolactinoma