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Fig. 4 | Allergy, Asthma & Clinical Immunology

Fig. 4

From: Sinobronchial allergic mycosis syndrome in an elderly male

Fig. 4

a Hematoxylin–eosin staining of allergic mucin with layers of mucus, eosinophils, eosinophil-predominant mixed inflammatory cell infiltrate and Charcot–Leyden crystals. Original magnification, ×200. b Grocott’s staining showing fungal hyphae with a 45° branch angle within allergic mucin. Original magnification, ×400. c Grocott’s staining showing fungal hyphae within the maxillary sinus. Original magnification, ×400

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