Skin, Hair & Nails Flashcards
Type of lesion categories
Primary and secondary
Primary skin lesion
Arise primarily in the skin
Secondary lesion
due to other causes which may be systemic in origin
ABCDEs mole exam
Asymmetry Borders Color Diameter Evolution
What are you looking at when doing a Lesion exam? (5)
Location Distribution Pattern Shape Type
Secondary lesion examples
crust, scale, excoriation, Lichenification, Erosion, fissure
What type of lesion is a macule and describe it
primary; flat, non-palpable <1cm
example of a macule
freckle, lentigo, purpura
what type of lesion is a patch and describe it
primary; flat, >1cm
example of a patch
pityriasis rosea, melasma, lentigo
what type of lesion is a papule and describe it
primary; raised palpable, non fluid <1cm
example of a papule
Nevi, seborrheic keratosis, dermatofibroma
what type of lesion is a plaque and describe it
primary; raised, palpable, nonfluid >1cm
example of a plaque
psoriasis, mycosis fungoides
what type of lesion is a vesicle and describe it
primary; raised, fluid filled, <1cm
example of vesicle
herpes simplex, herpes zoster, contact dermatitis
what type of lesion is a bulla and describe it
primary; raised, fluid filled, >1cm
example of bulla
bullous pemphigoid, contact dermatitis, blisters of second-degree sunburn
what type of lesion is a nodule and describe it
primary; raised, papule, 1-2cm
example of nodule
Nevi, basal cell carcinoma, keratoacanthoma
what type of lesion is a tumor and describe it
primary; nodule, >2cm
example of tumor
basal cell carcinoma, squamous cell carcinoma, malignant melanoma
what type of lesion is a cyst and describe it
primary; varies in size, fluid filled but can be hard
example of cyst
sebaceous cyst
what type of lesion is a pustule and describe it
primary; raised, clear fluid filled, <0.5cm
example of pustule
folliculitis, acne
what type of lesion is a wheal (“Hive”)and describe it
primary; smooth & elevated area of localized edema that comes & goes
example of wheal
urticaria
urticaria
allergic reaction marked by multiple discrete swelling on the skin (wheals)
what type of lesion is a crust and describe it
secondary; dried exudate that may have been seous, purulent or hemorrhagic
example of crust
impetigo herpes zoster (late phase)
what type of lesion is a scale and describe it
thin plates of desquamated (skin pealing) stratum corneum (outer most layer of epidermis)that flake off easily