Flashcards in Terminology Deck (49):
￼￼￼Caused directly by disease process
Flat > .5 cm
Papule / pustule
Raised, domed, > .5 cm
Raised, flat top,
Raised, flat-top, > .5 cm
Blister (fluid filled)
Blister (fluid filled) > .5 cm
Denudation of epidermis only
Denudation of epidermis and dermis
Edematous, transient, flat-topped plaque
Typical of urticaria (hives)
Center may appear lighter than edge
Changes due to external factors, such as scratching, trauma, infection, or healing
Thickening of stratum corneum
White / fine (typical of xerosis)
Yellow / greasy (typical of seborrheic dermatitis)
Dried endogenous material
May be serous (common in eczema), hemorrhagic, or honey-colored (impetigo)
Linear erosions from scratching
Thickening of skin w/ accentuation of skin markings (ridged surface) due to chronic scratching / rubbing
Linear crack in skin
Pinpoint red-brown macules due to intradermal hemorrhage. Non-blanching.
Intradermal hemorrhagic papules and plaques. Non-blanching. Bigger spots than petechiae.
"Cigarette paper" wrinkling
Red / brown color. Telangiectasias (visible blood vessels)
Skin surface is depressed
Brown / black color due to?
Melanin or necrosis
Blue color due to?
Melanin deposited deeper in skin
Yellow color due to?
Sebaceous tissue (oil gland) or intracellular lipids
Round w/ central clearing
Square eruptions or those that follow pattern of external object often due to what?
Wavy, snake-like border
May be due to scratching or condition of underlying vasculature.
Swirling patterns due to post-zygotic mutation of melanocytes or keratinocytes
Linear bands that start and end at midline of trunk
Reflect nerve supply to skin
Ex: Herpes zoster (shingles)
Linear collection of lesions arising from external trauma
Common in psoriasis
Firm texture upon palpation
Compressible denoting underlying fluid or pus
Wavy or linear track typical of scabies infection
Secondarily infected w/ staph
Black, adherent crust of necrotic tissue
Narrower at base of lesion
Which skin cancers are commonly translucent?
Basal cell skin cancer
Classic for molluscum
Rough, warty surface
Papulosquamous (presentation and specific diseases)
Papules and plaques w/ overlying scale
Eczema, psoriasis, contact dermatitis, seborrheic dermatitis, tinea infection, drug eruption
Vesiculobullous (presentation and diseases)
Vesicles and bullae
Round erosions w/ collarette of scale reflects a ruptured bulla.
Pemphigus vulgaris, bullous pemphigoid, cicatricial pemphigoid, epidermolysis bullosa, dermatitis herpetiformis, bullous impetigo, bullous tinea infection
Narrow rim of loosened keratin overhanging the periphery of a circumscribed skin lesion
Urticarial (presentation and diseases)
Urticaria, urticarial drug eruption, and bullous pemphigoid
Acneiform (presentation and diseases)
Papules and pustules w/ follicular involvement
Acnea, rosacea, perioral dermatitis, hidradenitis suppurativa, folliculitis, pyoderma faciale
Chronic skin condition characterized by facial redness, small and superficial dilated blood vessels on facial skin, papules, pustules, and swelling.