Pathologically, the lesion is described to be a microabscess of the dermis with marked necrosis and inflammatory infiltrate not involving the epidermis. They are caused by septic emboli which deposit bacteria, forming microabscesses. Organisms may be cultured from the lesions.
Janeway lesion
Osler's node
Bankart lesion
Romanus lesion
Forchheimer spots
Cameron lesions
Hill–Sachs lesion
Hollenhorst plaque