-
small flat spot up to 1.0cm
macule=hemangioma; vitiligo
-
flat spot 1.0cm or larger
patch=cafe au lait spot
-
elevated superficial lesion 1.0cm larger formed by coalescence of papules
plaque=psoriasis
-
elevated superficial lesion up to 1.0cm
papule=psoriasis
-
marble like lesion larger than 0.5cm often deeper & firmer than a papule
nodule=dermatofibroma
-
nodule filled w/expressible material either liquid or semisolid
cyst=epidermal inclusion cyst
-
somewhat irregular relatively transient superficial area localized skin edema
wheal=urticaria
-
elevation w/fluid-filled cavity up to 1.0cm filled w/serous fluid
vesicle=herpes simplex & zoster
-
1.0 cm or larger filled with serous fluid
bulla=insect bite
-
fluid filled cavity that is filled w/pus
pustule=acne, small pox
-
slightly raised tunnel in the epidermis found in the fingerwebs=burrow
scabies
-
thin flake of dead exfolaited epidermis
scale
-
dried residue of skin exudates such as serum, pus, or blood
crust
-
visible & palable thickening of the epidermis & roughening of the skin w/inc visibility of normal skin furrows often from chronic rubbing
lichenification
-
connective tissue that arises from injury or disease
scars
-
hypertrophic scarring that extends beyond the borders of the initiating injury
keloids
-
nonscarring loss of superficial epidermis; surface is moist but does not bleed
erosion
-
linear or punctuate erosions by scratching
exoriation=cat scratches
-
a linear crack in the skin often resulting from excessive dryness
fissure=athlete's foot
-
A deeper loss of epidermis & dermis; may bleed & scar
ulcer
-
-
coloring of skin
pigmented
-
pigmented skin lesions
- freckle
- lentigo
- SK
- nevus=benign, junctional, compound
- blue nevus
- halo nevus
- atypical nevus
- melanoma
-
Scaly skin lesions
- psoriasis
- dermatitis=atopic stasis seborrheic CAC
- xerosis
- lichen simplex chronicus
- tinea
- t versicolor
- 2nd syphillis
- pity rosea
- intertrigo
-
vesicular skin lesions
- herpes sim
- varicella
- h zost
- dyshidrosis
- v tinea
- dermatophytid
- derm herpetiformis miliaria
- scabies
- photosensitivity
-
weepy or encrusted lesions
- impetigo
- ACAD
- any vesicular derm
-
Pustular skin lesions
- a vulgaris
- acne r
- follicultis
- candidiasis
- miliaria
- any vesicular derm
-
figurate (shaped) erythema
- urticaria
- erythema multiforme
- erythema migrans
- cellulitis
- erysipelas
- erysipeloid
- arthropod bites
-
Bullous skin lesions
- impetigo
- blistering dacytlitis
- pemphigus
- pemphigoid
- porphyria cutanea tarda
- drug eruptions
- erythema multiforme
- toxic epidermal necrolysis
-
Papular skin lesions=hyperkeratotic
-
papular skin lesions=purple violet
- lichen planus
- drug eruptions
- kaposi sarcoma
-
papular skin lesions=flesh colored, umbilicated
molluscum contagiosum
-
papular skin lesions=pearly
-
papular skin lesions=small red inflammatory
- acne
- miliaria
- candidiasis
- scabies
- folliculitis
-
pruritus skin lesions
- xerosis
- scabies
- pediculosis
- bites
- systemic causes
- anogenital pruritus
-
nodular cystic skin lesions
- erythema nodosum
- furuncle
- cystic acne
- follicular (epidermal) inclusion cyst
-
photodermatitis (photodistributed rashes)
- drug
- polymorphic light eruption
- lupus erythematosus
-
morbilliform skin lesions
- drug
- viral infection
- 2nd syphillis
-
Erosive skin lesions
- any vesicular derm
- impetigo
- aphthae
- lichen planus
- erythema multiforme
-
ulcerated skin lesions
- decubiti
- herp sim
- skin cancers
- parasitic inf
- syphillis (chancre)
- chancroid
- vasculitis
- stasis
- arterial disease
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