Granulomatous, necrobiotic and perforating dermatoses
Chapter 9 Granulomatous, necrobiotic and perforating dermatoses Sarcoidosis 281 Granuloma annulare 288 Necrobiosis lipoidica 295 Rheumatoid nodule 300 Pathogenesis and histological features 301 Differential diagnosis 301 Elastolytic granulomata 302 Annular…