Recalcitrant paradoxical pustular psoriasis induced by infliximab: Two case reports

Figure 1 Case 1. A-C: Generalized erythema and plaques with obvious red halos and oyster-like scales. Some lesions have many pustules; D-F: (hematoxylin and eosin, × 40, × 200, and × 400) Psoriasiform hyperplasia and mild spongiosis with focal hypogranulosis and parakeratosis containing neutrophilic debris; G-I: Lesions before, and after the first and second secukinumab administration; J-L: Lesions before, and 1 and 3 wk after colchicine treatment.