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45 Cards in this Set
- Front
- Back
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Macule
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*Primary lesion
"flat discoloration in skin" non-palpable cirumscribed area usu. demarcated by change in color. Ex:Cafe-au lait spot in neurofibromatosis |
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Papule, nodule, tumor
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*primary
"Bumps" elevated palpale lesion of varying size (papule =5mm, nodule=5mm-5cm, tumor 5cm) Ex: papule-lichen planus, nodule-compund nerves, tumor-squamous cell carcinoma |
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Plaque
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*primary
"raised w/ flat top" papule larger in area than in thickness, over 2 cm in diameter, relatively flat Ex: psoriasis |
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Vesicle, bulla (blister)
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*primary
fluid containing lesion usualy elevated Ex:vesicle-herpes simplex, Bulla-bullous pemphigoid |
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Pustule
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*primary
elevated lesion containing pus Ex:acne vulgaris |
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Cyst
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*primary
tumor containing liquid or semi-solid material Ex:epidermal cyst |
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Wheal
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*prmiary
transitory, palpable lesion due to edema in upper dermis Ex:hives |
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Burrow
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*primary
linear train produced by parasites Ex:Scabies (mite) |
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Scale
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*secondary
"flaky stratum corneum" excessive accumulation of loosel adherent keratin Ex:psoriasis (thick scaled). pityriasis rosea (fine scale and attached at periphery and loose in center) |
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Crust
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*secondary
accumulation of serum and cellular, baterial and squamous debris over damaged epidermis Ex:impetigo |
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Fissure
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*secondary
crack in epidermis extending into papillary dermis Ex: hand eczema |
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Lichenification
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*secondary
"looks like lichen growing on rock" areas of accentuated skin markins associated w/ thickening of epidermis usually caused by scratching or rubbing Ex: neurodermatitis |
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Erosion
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*secondary
"superficial" loss of epidermis, heals w/out scaring Ex: impetigo |
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Ulcer
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*secondary
"Deep" loss of epitermis and part or all of dermis heals w/ scarring Ex:decubitus ulcer |
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Excoriation
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*secondary
"scratch injury" linear erosions, self inducted implied but cause unknown Ex: scabies |
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Scar
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*secondary
fibrous tissue replacing normal architecture of dermis |
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Atrophy
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*secondary
Epidermal-thinning of epidermis Ex:doscoid lupus erythematous Dermal-decrease in amt of collagen or mucosubstances causing depression of skin Ex:atrophy following steroids |
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Verrucous, gegtating
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Wart-like Ex: cerruca culgaris
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Pedunculated
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on stalk
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Sessile
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not on stalk
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Pigmentation
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discoloration of skin due to melanin, foreign substances or hemorrhage
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Telangiectasia
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dilation of superficial vessels
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Eczematoid
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inflammatory lesions w/ scale, vesiculation, crust and weeping Ex: poison ivy dermatitis
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Circinate
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*round lesions
circular lesions Ex: herald patch of pityriasis rosea |
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Annular
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*round lesions
ring-shaped lesion w/ active margin and clear center Ex:ringworm |
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Discoid
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*round lesions
disk shaped Ex:lupus erythematous |
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Nummular
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*round lesions
coin shaped Ex:nummular eczema |
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Guttate
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Drop sized Ex: guttate psoriasis
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Iris lesion;target
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tow or three circles form true iris Ex: erythema multiforme
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Herpetiform
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grouped (vesicles, papules or excoriations) Ex: herpes simplex
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Reticualted
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net-like distribution Ex: livedo reticularis
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Morbilliform
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small, confluent macules, forming irregular shapes
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Confluent
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blending into adjacent lesions
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Straight
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Ex: excoriations
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Arcuate
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arc shaped Ex: hives
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Serpiginous
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snake shaped Ex: hives
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Zosteriform
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linear dermatome distribution Ex:shingles
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Symmetry
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Ex:pityriasis rosea (PRP)
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Photo-distribution
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Ex: phototoxic reaction to tetracyclines
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Mucous membrane involvement
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Ex: lichen planus
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Contact areas
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Ex: shoe dermatitis, nickel dermatitis
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Extensor surfaces
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Ex: psoriasis
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Flexural surface
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Ex: atopic dermatitis
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Koebner's isomorphic phenomenon
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lesions fomring in areas of previous trauma to skin Ex: psoriasis, lichen planus, warts
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Five basic morphologic groups for classification
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Papulo squamous
Vesicular and bullous Vascular rxn Dermatitis-eczema Tumor nodule |
