Derm Flashcards
Macule
Flat (non-palpable)
Circumscribed
Patch
Flat (non-palpable)
Irreglar shape
>1cm diameter
Papule
Firm, palpable
CircumscribedU
Up to 1cm
Plaque
Firm, elevated, rough
Circumscribed
>1cm
Nodule
Deeper, firmer than papule
Round
>0.5cm
Tumor
Large nodule
Deeper in dermis
>2cm
Wheal
Irregular, transient, superficial edema
Vesicle
Filled with serous fluid
Circumscribed
>1cm
Pustule
Filled with pus
Circumscribed
Epidermal
Erosion
Loss of superficial epidermis
Surface moist,no bleeding
Heals without scarring
Ulcer
Deeper loss of epidermis
Heals with scarring
Fissure
Linear crack/break from epidermis to dermis
Excoriation
Abrasion/scratch marks
Crust
Dried residue of serum, pus or blood
Scale
Thin flake of exfoliated epidermis
Lichenification
Thickening/roughening of skin
Atrophy
Thinning of skin with loss of normal skin markings
Petechiae (blood outside vessels)
Deep red/purple lesions
Purpura
Deep red/purple lesions
>0.5cm
Ecchymosis (bruise)
Purple lesion
Variable size
Oval/round with irregular borders
Spider angioma
Fiery red lesion
Up to 2cm
Blanchable
Cherry angioma
Bright red papules
1-3mm
Flat/raised
Non-blanchable
Telangectasis
Fine irregular red lines
Secondary to dilation of capillaries
Blanchable
Hemangioma
Red irregular lesion
Secondary to dilation of dermal capillaries
