| A | B |
|---|
 | Bulla: A fluid-filled vesicle or blister > 1 cm |
 | Macule: Flat, non papable change in skin color |
 | Papule: Solid raised lesion < 1 cm due to superficial thickening |
 | Vesicle: Small (< 1 cm) fluid-filled raised area |
 | Pustule: Small raised area containing lymph or pus |
 | Wheal: elevation caused by dermal edema |
 | Plaque: raised lesion on the skin that is >1 cm |
 | cyst: closed sac which consists of semisolid/solid or liquid material |
