Sarcoidosis is a multisystem (involves the entire body) granulomatous (small growths or lumps) disease that produces inflammation or swelling of the tissues in any part of the body.

In 90 percent of the diagnosed cases, the inflammation is in the lungs and is called pulmonary sarcoidosis.

However, sarcoidosis may also occur in the lymph nodes, eyes, skin, joints, spleen, liver, kidney, heart, brain, salivary glands or nervous system.

Sarcoidosis occurs more frequently in Caucasians of European...