NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,492 terms related to cancer and medicine.

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autoimmune condition
(AW-toh-ih-MYOON kun-DIH-shun)
A condition in which the body’s immune system mistakes its own healthy tissues as foreign and attacks them. Most autoimmune conditions cause inflammation that can affect many parts of the body. The parts of the body affected depend on which autoimmune condition a person has. Common signs and symptoms include fatigue, fever, muscle aches, joint pain and swelling, skin problems, abdominal pain, digestion problems, and swollen glands. The symptoms often come and go and can be mild or severe. There are many different types of autoimmune conditions. They are more common in women and can run in families. Also called autoimmune disease.