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Prim ary Skin Les ions

LESION SIZE CHARACTERISTICS

Macule 1 cm Large macule

Papule 0.5 cm Solid, raised, flat top,indistinct borders

Nodule 2 cm Raised, firm, moveable

Tumor >2 cmLarge nodule, may be firm

or soft

Wheal variedPalpable, red,

circumscribed swelling inupper epidermis

Vesicles 1 cm Large vesicle

Pustule variedVesicle with white cellular

debris, may be sterile orinfected

Cyst variedPalpable, raised, distinct

borders, contains fluid orsemi-solid material

Comedo variedPlugged, dilated hairfollicle or pore withkeratin and sebum.

Burrow varied Linear lesions

LESION SIZE CHARACTERISTICS

Telangiactasia variedPermanent dilation of

superficial blood vessels,nonpalpable

Pupura varied

Usually nonpalpablediscoloration, caused by

bleeding in the skin. Doesnot blanch

Hematoma moderateModerate sized purpura,

nonpalpable

Petechia tinyTiny lesion of purpura,

nonpalpable

E cchymos i s large Large lesion of purpura,may be palpable

Angioma or

Hemangioma< 1 cm

Papule made of bloodvessels

Vascular Skin Lesions

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LESION CHARACTERISTICS

Scales

Thin, flaking layers of

epidermisDesquamation Peeling sheets of scale

Crusts Dried exudates or scab

Lichenif icationThickened and rough layers

of the skin

AtrophyThinning or wasting of

tissue

KeloidHealed lesion of

hypertrophied connectivetissue

StriaeFine pink or silver lines in

areas where skin hasstretched

ExcoriationAbrasion or removal of

epidermis; scratch

FissureLinear, wedge-shapedcracks extending into

dermis

ErosionDepressed area with loss of

superficial epidermis.Oozing or moist

UlcerDeeper than erosion, may

extend into dermis

ScarFibrous connective tissue

caused by healing

Acral:Involving extremities (hands, feet, ears, etc)Annular: Ring-shapedArcuate: Arc-shapedCircinate: CircularConfluent: Running togetherContiguous: Touching or adjacentDiscrete: Distinct and separateDiffuse or generalized: Scattered, widely distributedEczemat ous : Referring to vesicles with oozing crustGrouped: Arranged in setsGuttate: Small, drop-likeHerpetiform: Grouped vesicles resembling those of herpesIris: Arranged in concentric circles, one inside the otherLinear: Arranged in a lineLocalized: In a limited areaNummular: Coin-shapedPedunculated: Having a stalk

Polycyclic: Oval with more than one ringReticular: NetlikeSerpiginous: Snake-like, creepingSymmet r ic : Balanced on both sidesTelangiectat ic: Referring to dilated terminal vesselsUmbilicated: Depressed or shaped like a navelVerrucous: Wart-likeZosteriform: Resembling shingles, following a dermatome

Secondary Skin Lesions

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