1. A Case of Polyarteritis Nodosa with Multiple Infarcts in the Lungs
S. SOCHOCKY, M.D. 
Diseases of the Chest 
Volume 32, Issue 3, Pages (September 1957)
DOI: /chest
Copyright © 1957 The American College of Chest Physicians Terms and Conditions

2. Figure 1
X-ray film of chest taken August 9, 1955 shows rounded opacities in both upper and mid zones of both lungs with fluid in the left. base.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1957 The American College of Chest Physicians Terms and Conditions

3. Figure 2
X-ray film taken August 20, 1955 shows rounded opacities seen in film taken on August 9, 1955 still present; clear costophrenic angle but with pleural fluid in the right base.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1957 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Low-power view of a pulmonary infarct (× 2.5). The infarct is the sharply defined dark, sub-pleural area. It is covered by thickened pleura, has a necrotic centre and on its pulmonary aspect a zone of polymorphonuclear infiltration. The underlying lung features patchy pneumonia and oedema. (H and E stain.)
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1957 The American College of Chest Physicians Terms and Conditions

5. Figure 4
High power view (× 130) of an acute disorganisation of a renal arteriole by fibrinoid necrosis and polymorphonuclear invasion of its wall; similar changes are present in other vessels of the same section. The capillary tufts of many glomeruli are also involved, see for example in corner of photograph. (H and E stain.)
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1957 The American College of Chest Physicians Terms and Conditions