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Images 10.43.1A: Nodular dermatitis, granulomatous + 10.43.1B: Interstitial and palisaded array of histiocytes around loci of deposits of mucin and degeneration of collagen = Granuloma annulare This is a presentation stereotypical of granuloma annulare showing both the palisaded and interstitial patterns of granulomatous inflammation and lymphocytes positioned around venules of both plexuses. 10.43.2A: Nodular dermatitis, […]