Pyoderma gangrenosum is a rare, chronic, sterile,pustular and progressive ulcerative disease with 4 clinical and histological variants named as ulcerative, pustular, bullous and vegetative. Behcet’s disease is a complex of multisystem disease characterized by orogenital ulceration and eye disease as a classic triad with involvement of other systems . BD and PG , both are neutrophilic dermatoses with oral and genital ulcerations having different frequency. The clinical features of mucosal ulcers are different to some degree between the two diseases, but there is a histopathological distinction between PG and BD . Association of BD and PG are rare but do occur . We report here a case of BD who subsequently developed genital ulcerative PG.

Keywords: Pyoderma gangrenosum; Behcet’s disease; Neutrophilic dermatosis; Orogenital ulcers.