Addison's disease is a rare disorder that affects the adrenal glands, and is caused by a malfunction in the adrenal cortex. It can be difficult to diagnose, as its symptoms can be similar to other medical conditions. In order to rule out Addison's disease, a physician may need to perform a variety of tests, such as blood tests, imaging studies, and a skin biopsy.
Blood Tests
The first step in ruling out Addison's disease is to perform a blood test. This will help the doctor to measure the level of cortisol in the patient's blood. Cortisol is a hormone produced by the adrenal glands, and lower than normal levels may indicate Addison's disease. The doctor may also test for other hormones produced by the adrenal glands, such as aldosterone and adrenocorticotropic hormone (ACTH).
Imaging Studies
Imaging studies, such as an X-ray, CT scan, or MRI, may also be used to rule out Addison's disease. These tests can help the doctor to identify any abnormalities in the adrenal glands, such as a tumor or cyst.
Skin Biopsy
The doctor may also recommend a skin biopsy to rule out Addison's disease. During this procedure, a small sample of skin is taken from the patient and examined under a microscope. This can help to determine if the patient has any abnormal cells, which can indicate Addison's disease.
Ruling out Addison's disease can be a complex process, and may involve a variety of tests. It is important to talk to your doctor about any symptoms you may be experiencing, so that they can help to determine the best course of action.