Fig. 3From: Is 18F-FDG PET/CT useful for diagnosing relapsing polychondritis with airway involvement and monitoring response to steroid-based therapy?A biopsy sample obtained from the auricular cartilage showed characteristic RP pathology. a H&E staining of neutrophils (red arrowhead). b H&E staining of normal (a) and necrotic chondrocytes (b)Back to article page