Cause It is not clear exactly what produces the kind of inflamed tissue found in sarcoids. Incidence Sarcoidosis occurs most often in adults between the ages of 20 and 40. In the United States it is most common among people of African descent.
Women are more likely than men to develop the disease.
Symptoms you are likely to notice Symptoms depend on the location of the nodules. If the respiratory system is affected, there may be a cough or breathlessness. If the skin is affected, the nodules may become visible. Symptoms your physician may observe If the doctor suspects sarcoidosis, a chest X ray will be taken. If the X ray is abnormal, other causes, such as tuberculosis , must be excluded.