Intro to Derm Flashcards
Primary Skin Lesions (Types/Shapes)
Develop initially in response to a change in the internal or external environment of the skin:
Macule, Patch, Papule, Nodule, Plaque, Vesicle, Bulla, Pustule, Wheal
Secondary Skin lesions
Appear as a result of changes in the primary lesion’s natural progression or are man-made:
Lichenification, Crusted, Scaly, Macerated, Fissure, Atrophy,
Excoriated, Erosion, Ulcer
Macule
A flat nonpalpable spot < 10 mm/FRECKLE
Patch
Macule > 10 mm/CAFÉ AU LAIT
Papule
A solid palpable lesion usually < 5 mm, but sometimes up to 10 mm/NEVI
Nodule
Papule > 10 mm/NEVI, BCC
Plaque
A plateau-like lesion > 10 mm/PSORIASIS
Vesicle
Circumscribed, elevated, lesion containing serous fluid < 5 mm/CHICKEN POX
Bulla
Vesicle > 5 mm/BURN BLISTERS
Pustule
Superficial, elevated lesion containing pus/ACNE
Wheal
Transient elevated lesion with edema/URTICARIA or HIVES