Sarcoidosis is an inflammatory disease that can attack any organ of the body, though 90% of the time it occurs in the lungs where it is referred to as pulmonary sarcoidosis.

It is characterized by nodules or granulomas — small, rounded growths made up of blood vessels and connective tissue that appear as sores or lesions on the skin. While sarcoidosis is usually a chronic disease, lasting several months or even years, it is most often a mild condition that does not result in lasting harm.

The causes of pulmonary sarcoidosis are unknown, but some suspected sources include:

  • Respiratory infection resulting from a virus
  • Exposure to toxic substances
Scientists continue to work on identifying the causes and pathology of sarcoidois.

Pulmonary sarcoidosis may cause:

In many cases, sarcoidosis is relatively brief and heals by itself. Some patients never even know they have it. Others experience varying degrees of pain, but only rarely does it affect their lifestyles. There are, however, serious cases of pulmonary sarcoidosis in which patients suffer unusual amounts of pain or breathing difficulty. A few patients will have permanent lung damage from it. Chronic cases may be treated with drugs.

There is not a simple, irrefutable test for pulmonary sarcoidosis. A physician may suspect this condition when a patient exhibits several of the above symptoms. Then the physician may perform:
  • Breathing tests
  • Blood tests
  • Chest x-rays
If these tests further suggest sarcoidosis, your physician will probably perform a biopsy — taking a small sample of the affected tissue. Since sarcoidosis always occurs in two organs, the biopsy will be taken from an area that will cause the least discomfort, eg: the skin or lymph nodes. A biopsy provides the most definitive diagnosis of sarcoidosis.

Sarcoidosis occurs most often in young adults between the ages of 20 and 40, though older adults have been known to contract it too. In the United States, sarcoidosis affects eight times as many African-Americans as whites, and more women than men.

Most patients never receive treatment for sarcoidosis and the disease disappears by itself. Chronic or painful cases, however, may require treatment which is aimed at relieving pain and improving a patient’s quality of life. No cure has yet been found for the disease. Most treatments involve drug therapy. These may be ingested by mouth or applied to affected areas via drops or creams. In the case of pulmonary sarcoidosis, inhalers are sometimes used. The most commonly used drug therapies fall into these categories:
  • Corticosteroids
  • Steroids

Once you have been diagnosed with sarcoidosis, talk with your care giver at SPLC about regular check-ups. The severity of symptoms and development of the disease will determine your treatment schedule and the frequency of check-ups. Because pulmonary sarcoidosis is visible on x-rays, regularly scheduled x-rays can be useful in following the progression of the disease.

  • Following are web sites from reliable sources with further information on sarcoidosis. For basic information on sarcoidosis, with links to other sites for more detail, try www.sarcoidosisonlinesites.com.
  • The American Lung Association’s web site at www.lungusa.org lists “Diseases A to Z”. Click on this tab in the upper tool bar, then scroll down to sarcoidosis under “S”.
  • The National Institutes of Health has a very complete, 16-page document on sarcoidosis available on its site at www.nhlbi.nih.gov/health/public/lung/other/sarcoidosis.

Emergency Cases

If you have an emergency, please call Jackson Hospital. The operator can reach the doctor on call.

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