Abscesses may occur in any kind of solid tissue but most frequently on skin surface ( where they may be superficial pustules ( boils ) or deep skin abscesses ) , in the lungs , brain , teeth , kidneys and tonsils .
Abscesses can form in any kind of solid tissue . They are usually on the skin surface ( such as a boils , or deep skin abscesses ) , in the lungs , brain , teeth , kidneys and tonsils .