Rapid Growth of Lung Nodules due to Combined Pulmonary Vasculitis, Silicoanthracosis, and Chondrocalcinosis

Figure 2

Representative images of histology shows anthracosilicotic dust bands without necrobiotic granulomas and surrounding perivascular fibrotic dust deposition ((b)–(d), magnification 100x). In addition, giant cell vasculitis with fragmentation of the internal lamina elastic wall is seen ((a), arrow) (magnification 200x).