Table 4 Sarcoidosis staging criteria based on chest HRCT presentation

0

No abnormal presentation

0*

I

Bilateral hilar and/or mediastinal lymph node enlargement and without lung infiltration opacities

I*

II

Bilateral hilar and/or mediastinal lymph node enlargement and with reticular, nodular, and patchy opacities

II*

III

Reticular, nodular, and/or patchy opacities and without bilateral hilar and/or mediastinal lymph node enlargement

III*

IV

Pulmonary fibrosis, honeycomb lung, pulmonary bulla, and emphysema

IV*