What causes sarcoidosis?
Sarcoidosis is an inflammatory disease in which granulomas, or clumps of inflammatory cells, form in various organs. This causes organ inflammation. Sarcoidosis may be triggered by your body’s immune system responding to foreign substances, such as viruses, bacteria, or chemicals.
What are the 4 stages of sarcoidosis?
The Siltzbach classification system defines the following five stages of sarcoidosis: stage 0, with a normal appearance at chest radiography; stage 1, with lymphadenopathy only; stage 2, with lymphadenopathy and parenchymal lung disease; stage 3, with parenchymal lung disease only; and stage 4, with pulmonary fibrosis
Does sarcoidosis shorten your life?
Subclinical sarcoidosis does not seem to affect life span. Autopsy in 25 patients showed systemic sarcoid lesions in all, including asymptomatic patients and those presenting with clinical manifestations limited to the CNS and the heart.