Fig 2. (a) Case 2: Multiple erythema and papules on the face.(b)Case 2: Histology of lesional skin: slight epidermal atrophy and hyperkeratosis, vacuolar degeneration at the dermal-epidermal junction, perivascular and periadnexal mononuclear infiltrate in the dermis. (Hematoxylin–eosin stain, original magnifification, ×100).