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Papule
Small elevated solid lesion, <0.5cm
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Nodule
Elevated solid lesion, >0.5cm in both width and depth.
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Plaque
Elevated solid lesion >2cm but without substantial depth.
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Macule
Flat area of altered colour or texture <0.5cm
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Large macule
Flat area of altered colour or texture, >0.5cm
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Vesicle
Fluid- filled blister <0.5cm
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Bulla
Fluid-filled blister >0.5cm
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Pustule
Pus-filled lesion <0.5cm
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Abscess
Pus-filled lesion <0.5cm
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Petechiae
Pin-head sized extravasation of blood into skin.
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Ecchymosis
Extravasation of blood into skin >0.5cm
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Purpura
Extravasation of blood into skin, up o 2 mm in diameter.
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Wheal
Accumulation of dermal oedema.
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