silicosis

I

slightly increased interstitial markings

II

nodules (2-3 mm) obscure linear markings

III

nodules > 3mm, with coalescence

• eggshell calcification of lymph nodes
• coalescence: conglomerate nodules (similar to PMF)

• predisposed to TB (!)

© 2002, C.E. Kahn, Jr.
2002-04-18