<unk>  are a skin condition characterized by striking 2– to 8–mm, shiny, smooth, red, moist, flat-topped, round skin lesions in the perianal area of children.
Pseudoverrucous papules and nodules
Piezogenic papules
Focal palmoplantar and gingival keratosis
Discrete papular lichen myxedematosus
Granulomatous slack skin
Localized lichen myxedematosus
Mucopurulent discharge
Longitudinal erythronychia