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Images 10.111.1A: Perivascular dermatitis, mixed-cell + 10.111.1B: Lymphocytes, eosinophils, and a few neutrophils around venules = Urtica, early ¬†This is an early stage in the evolution of urticaria because inflammatory cells are huddled around venules; interstitial involvement by eosinophils and neutrophils is slight. 10.111.2A: Perivascular and interstitial dermatitis, mixed-cell + 10.111.2B: Lymphocytes, eosinophils, and neutrophils […]