lesions Flashcards
Lesions
Structural changes in the tissues caused by damaged/injury.
Primary Lesions
Lesions in the initial stages of development.
Secondary Lesions
Characterized by the piles of material on the skins surface.
(Crust/scab, depressions in the skin, (Ulcer))
Pustules are an example of what type of lesion?
Primary
Keloid
(Secondary lesion)
A thick scar resulting from excessive growth of fibrous tissue
TERITARY LESIONS are also known as…
Vascular lesions
Bulla
Large blister containing watery fluid
(similar to a vehicle)
Requires medical referral
ex:
-contact dermatitis
-secondary degree burns
-bulbous impetigo
-pemphigus
Cyst
&
Tubercle
Closed, sac that contains pus, semifluid, or mormid matter, above or below the skin.
- a CYST can be drained of fluid and a TUBERCULE cannot
Requires medical referral
ex: Cyst:
-severe acne
ex: Tubercle
-lipoma
-erythema nodosum
Macule
Flat spot or discoloration on skin
ex:
-freckle
(age spot)
Nodule
A solid bump larger than 0.4 inches (1 cm) that acn be easily felt.
Requires medical referral
ex:
-swollen lymph nodes
-rheumatoid nodules
Papule
a small elevation on the skin that contains no fluid, but may develop pus.
ex:
-acne
-warts
-elevated nevi
Pustule
raised, inflamed, papule with a white or yellow center containing pus in the top of the lesion
ex:
-acne
-impetigo
-folliculitis
Tumor
abnormal mass varying in size, shape, and color.
- any type of abnormal mass, NOT ALWAYS cancer.
Requires medical referral
ex:
-cancer
Vesicle
small blister or sac containing clear fluid, lying within/beneath the epidermis.
Requires medical referral
(if cause is unknown or untreatable use over the counter products)
ex:
-poison ivy
-poison oak
Wheal
itchy, swollen lesion that can be cause by a blow, scratch, bite of an insect, or URTICARIA (skin allergy), or the sting of a nettle.
Typically resolves on its own, but its referral to physician should be considered when the condition lasts more that 3 days.
ex:
-hives
-mosquito bites
Crust
(Secondary lesion)
Dead cells that form over a wond or blemish while healing
-accumulation of sebum and pus
(sometimes mixed with epidermal cells)
ex:
-scab
-sore
Excoriation
(Secondary lesion)
Skin sore or abrasion produced by scratching/scraping
ex:
-nail cuticle damage
(nail biting)
Fissure
(Secondary Lesion)
crack in the skin that penetrates the dermis
ex:
-Severly cracked and/or chapped hands, lips, or feet
Scale
thin, dry, or oily plate of epidermis
ex:
-post operative repair
Ulcer
Open lesion on the skin or mucous membrane of the body
(accompanied by loss of skin depth and possibly weeping of fluids or pus)
requires medical referral, particularly in clients with underlying medical conditions such as diabetes
ex:
-chicken pox
-herpes
