Primary skin lesions Flashcards
1
Q
Macule
A
Color change only. Flat, less than one cm. (freckles, petechiae)
2
Q
Papule
A
Solid, elevated, less than one cm (elevated nevus, molluscum, wart)
3
Q
Patch
A
Macule larger than 1 cm (vitiligo, cafe au lait spot)
4
Q
Plaque
A
Papules that coalesce to form surface elevation wider than 1 cm. (psoriasis, lichen planus))
5
Q
Wheal
A
Superficial, raised, transient, erythematous, slightly irregular shape. (mosquito bike, allergic rxn)
6
Q
Urticaria
A
Wheals that coalesce into an extensive reaction
7
Q
Vesicle
A
Elevated cavity containing serous fluid, up to 1 cm (HSV, varicella)
8
Q
Bulla
A
Single chamber, superficial to epidermis, larger than one cm. (pemphigus, friction blister, burns)
