<unk>  means any skin disease that is pyogenic (has pus). These include superficial bacterial infections such as impetigo, impetigo contagiosa, ecthyma, folliculitis, Bockhart's impetigo, furuncle, carbuncle, tropical ulcer, etc. Autoimmune conditions include<unk>  gangrenosum.<unk>  affects more than 111 million children worldwide, making it one of the three most common skin disorders in children along with scabies and tinea.
Pyoderma
Poikiloderma
Chyloderma
Halogenoderma
Anetoderma
Keratoderma
Photodermatosis
Iododerma