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SILTZBACH STAGING OF SARCOIDOSIS

“ 1.   Normal chest radiograph 2.   Bilateral hilar lymph node enlargement 3.   Bilateral hilar lymph node enlargement, parenchymal infiltra...

1.  Normal chest radiograph
2.  Bilateral hilar lymph node enlargement
3.  Bilateral hilar lymph node enlargement, parenchymal infiltration
4.  Parenchymal infiltration
5.  Parenchymal volume loss as a result of pulmonary fibrosis—20% get to stage 4 with irreversible fibrosis.