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lesion

an area of damaged tissue anywhere on or in the body- caused by disease or trauma

crust

collection of dried serum and cellular debris

cyst

thick walled close sac or pouch containing fluid or semisolid material
ex- pilonidal cyst/ sebaceous cyst

erosion

wearing away or loss of epidermis
occur as result of inflame or injury and heal w/o scarring

fissure

grove or crack--like a sore

macule

discolored-oftren reddened- flat lesion
ex-freckle, tattoo marks, flat moles

nodule

solid, round or oval elevated lesion more than 1cm in diamter
ex- enlarged lymph nodes and solid growths

papule

small-less than 1cm in diamater- solid elevation on the skin
ex- pimples

polyp

benign growth extending from the surface of mucous membrane
found in nose and sinuses

pustule

small elevation of the skin containing pus

ulcer

open sore on the skin or mucous membrane w/in the body
decubitus, pressure

vesicle

small collection of clear fluid-serum-blister
ex bulla

wheal

smooth, slightly elevated, swollen area that is redder or paler than the surrounding skin
ex- mosquito bite

alopecia

abscence of hair from areas where it normally grows

ecchymosis

blushish-black mark--bruise

pruritus

itching

urticaria

aka hives, acute allergic rxn in which red, round wheals develop on the skin

systemic lupus erythematous

chronic inflammatory autoimmune disease involving joints, skin, kidneys, nervous system, heart and lungs

burns

injury to tissues caused by heat contact

1st degree burn

superficial epidermal lesions
ex- sunburn

2nd degree burn

blisters, partial thickness

3rd degree burns

full thickness burn injury

cellulitis

difuse, acute infection of the skin marked by local heat, redness, pain and swelling

eczema

inflammatory skin disease w/ erythematous papulovesciular lesions

exanthematous viral disease

rash- exanthema- of the skin due to viral infection

Rubella

german measles

rubeola

measles

varicella

chickenpox

gangrene

death of tissue asc. w/ loss of blood supply

impetigo

bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions

psoriasis

chronic, recurrent dermatosis marked by itch, scalpy, red plaques covered by silvery gray scales

scabies

a contagious, parasitic infection of the skin w/ intense pruritus

sceleroderma

chronic progressive disease of the skin w/ hardening and shrinking connective tissue

tinea

infection caused by fungus

tinea corporis

ringworm

tinea pedis

athlete's foot

tinea unguium

affects nails

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