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A granuloma is one of a number of forms of localized nodular inflammation found in tissues. The fact that a granuloma is localized is important. So is its nodularity. Granulomas have a typical pattern when examined under a microscope.
Granulomas can be caused by a variety of biologic, chemical and physical irritants of tissue.
A calcified granuloma is a granuloma containing calcium deposits. Since it usually takes some time for calcium to be deposited in a granuloma, it is generally assumed that a calcified granuloma is an old granuloma. For example, a calcified granuloma in the lung may be due to tuberculosis contracted years earlier that is now dormant.
What causes granulomas?
Granulomas form when immune cells clump together and create tiny nodules at the site of the infection or inflammation.
A granuloma is the body's way:
Granulomas most frequently form in the lungs, but can also be found in the liver, the eye or under the skin. They can be felt as a lump or can show up on x-rays and during other investigations.
Granuloma treatment
Some people with a granuloma need treatment, buts others may not. It depends on the type of granuloma.
For example, people with chronic granulomatous disease may be given antibiotics and other treatments to try to prevent further infections. Find out more about chronic granulomatous disease treatment here.
More than half of all people affected by sarcoidosis recover without treatment within three years. Learn here about sarcoidosis treatment.
Most forms of granuloma annulare get better without treatment. Sometimes, however, people want treatment for cosmetic reasons and may be given corticosteroids or phototherapy. Find out more about granuloma annulare treatment here.