FIGURE 3
From: Recent Advances in the Diagnosis of Churg-Strauss Syndrome
Nonnecrotizing vasculitis in CSS. A, a small pulmonary vessel demonstrates extensive eosinophilic infiltration of the wall, but the higher power view (B) indicates that the vascular structure is preserved. Apart from vasculitis, the lung parenchyma had the appearance of chronic eosinophilic pneumonia. (H and E; A, 160 ×; B, 400 ×)
