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45 Cards in this Set
- Front
- Back
lesion
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an area of pathologically altered tissue (primary and secondary)
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primary lesion
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lesion arising from previously normal skin
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macule
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flat, discolored, nonpapable spot on skin up to 1 cm across
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patch
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flat, discolored, nonpalpable area on skin larger than 1 cm
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papule
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solid, elevated, palpable mass on skin up to 0.5cm in diameter
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plaque
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solid, elevated, palpable mass greater than 1cm in diameter; limited to surface of skin
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nodule
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solid mass greater than 1cm which extends deeper into epidermis
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tumor
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solid mass larger than 1-2cm
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wheal
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area of localized skin edema
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vesicle
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little bladder; elevated, fluid-filled sac within or under epidermis up to 0.5cm in diameter
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bulla
primary lesion |
blister larger than 0.5cm
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pustule
primary lesion |
pus-filled sac
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secondary lesion
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lesions that result in changes in primary lesions
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erosion
secondary lesion |
loss of superficial epidermis leaving area of moisture but no bleeding
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ulcer
secondary lesion |
open sore on skin or mucous membrane that can bleed and scar and is sometimes accompanied by infection
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excoriation
secondary lesion |
a scratch mark
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fissure
secondary lesion |
linear crack in skin
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scale
secondary lesion |
thin flake of exfoliated epidermis
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crust
secondary lesion |
dried residue of serum, pus, or blood on the skin
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cicatrix of the skin
secondary lesion |
mark left by healing of a sore or wound showing the replacement of destroyed tissue by fibrous tissue
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keloid
secondary lesion |
an abnormal overgrowth of scar tissue that is thick and irregular
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vascular lesion
secondary lesion? |
lesion of a blood vessel
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cherry angioma
vascular lesion secondary lesion |
a small, round, bright-red blood vessel tumor on the skin
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telangiectasia/spider angioma
vascular lesion secondary lesion |
tiny, red blood vessel lesion formed by dilation of a group of blood vessels radiating from a central arteriole
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purpuric lesion
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lesion as a result of hemorrhages into the skin
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petechia
purpuric lesion secondary lesion |
a reddish-brown, minute hemorrhagic spot on skin that indicates a bleeding tendency
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ecchymosis
purpuric lesion secondary lesion |
bruise; a black and blue mark
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epidermal tumor
secondary lesion |
skin tumor arising from the epidermis
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nevus
epidermal tumor secondary lesion |
congenital malformation on the skin that can be epidermal or vascular; also called a mole
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dysplastic nevus
epidermal tumor secondary lesion |
mole with precancerous changes
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verruca
epidermal tumor secondary lesion |
an epidermal tumor caused by a papilloma virus; also called a wart
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alopecia
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baldness; natural or unnatural deficiency of hair
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comedo
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plug of sebum within opening of a hair follicle
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closed comedo
(whitehead) |
below skin surface with a white center
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open comedo
(blackhead) |
open to skin surface with black center caused by presence of melanin exposed to air
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eruption
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appearance of a skin lesion
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erythema
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redness of skin
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pruritus
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severe itching
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rash
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general term for a skin eruption; most often associated with communicable disease
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depigmentation
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loss of melanin pigment
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hypopigmentation
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areas of skin lacking color due to deficient amounts of melanin
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hyperpigmentation
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darkened areas of skin caused by excessive amounts of melanin
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suppuration
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production of purulent matter (pus)
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urticaria
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hives; an eruption of wheals on skin accompanied by itch
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xeroderma
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dry skin
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