Abstract: A 64-year-old male presented with brown annular plaques on his body for 2 years, with itching for 2 months. Physical examination showed parakeratosis, hyperkeratosis, cornoid lamella, dyskeratosis cells below the cornoid lamella, and lymphocytes infiltrate in the dermis. The diagnosis of inflammatory disseminated superficial porokeratosis was made. The patient was treated with oral acitretin 30mg per day. The skin lesions improved and partly subsided. The patient is currently under follow-up.

Key words: inflammatory disseminated superficial porokeratosis, eruptive pruritic papule porokeratosis