1. Vestibular lesion of ...
Vestibular lesion of the patient before (A) and after (B) prednisone treatment, and histological aspect of the lesion, showing a mixed inflammatory infiltrate, rich in eosinophils and plasma cells (yellow arrow), involving the dermis, with ulceration of the overlying epidermis (red arrow), with no signs of vasculitis, granulomatous flogosis, neoplasia, infections or polychondritis (C). Immunohistochemical characterization of the dermal infiltrate showed an abundant presence of IgG4-positive plasma cells (IgG4/IgG plasma cells ratio >40%) (D).
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Rheumatology (Oxford), Volume 57, Issue 7, 19 March 2018, Pages 1305–1307,
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