Macule
Flat area of altered colour? e.g. freckles
Patch
Larger area of altered colour or texture
Papule
Solid raised lesion <0.5cm
Nodule
Solid raise lesion >0.5cm, with deeper component
Plaque
Palpable scaling lesion >0.5cm
Vesicle
Raised, clear fluid-filled lesion <0.5cm
Bulla
Raised clear fluid-filled lesion >0.5cm
Pustule
Pus-containing lesion <0.5cm
Abscess
Localised accumulation of pus in dermis or subcut tissue
Wheal
Transient raised lesion due to dermal oedema
Boil
Staph infection around or within a hair follicle
Carbuncle
Staph infection of adjacent hair follicles