Malignancy
Tuberculosis
Coccidioidomycosis
Histiocytosis X
Wegener's granulomatosis
Churg-Strauss syndrome
Lupus
Rheumatoid arthritis
Polymyalgia rheumatica
Sarcoidosis
Malignancy
Tuberculosis
Amyloidosis
Coccidioidomycosis
Cryptococcosis
Histiocytosis X
Toxoplasmosis