Sarcoidosis is a condition where tiny lumps (nodules), known as granulomas, develop at various sites within your body, due to inflammation. It most commonly affects the lungs. However, it can affect almost any part of the body. The exact cause is not known. In many people, sarcoidosis goes away without any treatment. However, in some people, it can become long-standing, and serious, requiring treatment.

Sarcoidosis is a condition where tiny lumps (nodules), known as granulomas, develop at various sites within your body, due to inflammation. These granulomas are made up of cells involved in inflammation. Sarcoidosis most commonly affects the lungs and lymph glands in the chest area (pulmonary sarcoidosis). However, it can affect almost any part of your body, including your eyes, skin, heart, liver, kidneys, salivary glands, muscles, nose, sinuses, brain and nerves.