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Macule
- Flat circumscribed change in skin color <1cm
- (E.g. freckles, flat moles measles, scarlet fever)
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Papule
- Elevated, firm circumscribed area <1cm
- (E.g. Wart, elevated moles)
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Patch
- Flat no palpable irregular shaped macule >1cm
- (E.g. Vitiligo, Mongolian spots)
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Plaque
- Elevated, firm and rough lesion with flat to surface
- (E.g. psoriasis)
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Wheal
Elevated irregularly shaped area of cutaneous edema; solid transient: variable diameter.
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