Skin Flashcards
(85 cards)
Macule
Example- freckle
Flat discoloration, usually less than 1cm in diameter
Patch
Ex- vitiligo, mongolian spot, measles rash, choasma.
Flat area of skin discoloration, larger than a macule (larger than 1 cm)
Papule
Ex- raised nevus
Raised lesion, less than 1cm, may be the same ir different color than the surriunding skin
Vesicle
Ex- varicella, blister, herpes zoster,
Contact dermatitis
Fluid filled, less than 1 cm
Eccrine
Produces sweat from sweat glands
Apocrine
Secretion from axillae, anogenital area occur with emotional and sexual stimulation
Skin is (9)
Inspect and palpate skin by looking at 8 things
Color Temp Moisture Texture Thickness Edema Movikity or turgor Vascularity or bruising
If there are any lesions present note: (7)
Color Elevation Pattern or shape Size Location and distrubution on body Any exudate Use woods light to detect fluorescing
Profile sign of nail
View index finger at its profile and note angle of nail base; it should be about 160 degrees
Skin self examination A B C D E
Asymmetry Border Color Diameter Elevation and enlargement
Annular
Circular, begins in center and spreads to the periphery
Example- ringworm, tinea corporis, tinea versicor, pityriasis
Discrete
Ex- acrochordon, skin tag, or acne
Distinct, individual lesions that remain separate
Confluent
Ex- hives
Lesions run together
Gyrate
Twisted, coiled spiral, snakelike
Linear
A scratch, streak, line, or stripe
Zosteriform
Linear arrangement along a unilateral nerve route
Grouped
Ex- vesicles of contact dermatitis
Clusters of lesions
Target
Ex- erythema multiform
Iris or resembles iris of eye, concentric rings of color in lesions
Polycyclic
Ex- lichen, planus, psoriasis
Annular lesions grow together
Bulla
Ex- friction blister, burns, contact dermatitis
Larger than 1cm diameter usually single chambered; superficial in epidermis. Thinned wall and ruptures easily
Tumor
Larger than a few centimeters in diameter, firm or soft. Deeper into dermis
Wheal
Ex- mosquito bite, allergic reaction,
Superficial raised, transient, and erythematous; slightky irregular shape from edema
Urticaria (hives)
Wheal to form extensive reaction, intensely pruritic.