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45 Cards in this Set

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