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Integumentary Pathologies #2
Terms in this set (57)
What is Acne?
obstructive/inflammatory condition of pilosebaceous units
What is the most common trigger of acne?
androgen surge (during puberty)
What causes acne?
hyperkeratinization blocks sebum
closed comedones are known as....
open comedones are known as....
What is a blackhead?
What are common symptoms of acne?
What is cystic acne?
chronic nodules/cysts that can lead to scarring
What is the most severe form of acne?
Which type of acne leaves "ice pick" scars?
Which type of acne may lead to keloids?
Which type of acne presents with a swollen, red rash of pimples surrounded by spider veins and thickened skin?
Which type of acne is associated with rhinophyma?
What are the 4 phases of acne rosacea?
Phase 1: pre-rosacea(flushing w/ stinging sensation)
Phase 2: vascular phase(erythema and edema w/ spider veins)
Phase 3: Inflammatory phase(papule and pustules develop)
Phase 4: Late-stage Rosacea(thickening of the skin)
Pseudofolliculitis Barbae is known as....
ingrown beard hairs
What is Psoriasis?
chronic, inflammatory disorder of hyper-proliferation
What is a defining symptom of psoriasis?
What is Auspitz sign and what does it test for?
Scarping of plaques off the skin causes bleeding
Tests for psoriasis
Psoriasis may lead to...
Where does pustular psoriasis appear?
hands and soles of feet
Can psoriatic arthritis affect internal organs?
Psoriasis develops in the nail bed in ___/3 cases
What reactions can the skin have to various drugs?
toxic epidermal necrosis
How does Erythema Multiform present?
patches of red raised skin in
Some blistering and mucous membrane involvement
What is the most common trigger of erythema multiform?
herpes simplex virus
Erythema multiform usually resolves after _____ weeks
What type of reaction is erythema multiform?
type 4 (delayed)
What type of reaction is Stevens-Johnson syndrome?
type 4 (delayed)
What occurs in Stevens-Johnson syndrome?
necrosis causes the dermis to separate from the epidermis
A severe form of erythema multiform is....
How does Stevens-Johnson Syndrome present?
severe blistering of the trunk, genitals, anus, eyes, and lining of mouth and throat
Hives are mediated by....
The red swellings that form from hives are known as...
Hives is also known as....
Breakdown of skin integrity due to lack of blood flow and pressure causes...
What are the stages of decubitus ulcers?
Stage 1: erythema, no sore
Stage 2: partial thickness skin loss(death of epidermis, dermis exposed)
Stage 3: full thickness skin loss(deep layers of skin and adipose exposed)
Stage 4:Full thickness skin
tissue loss(visualization of mm or bone)
Dermatitis is also known as...
What is primary irritant contact dermatitis?
inflammation of the skin due to contact with an irritating substance
Primary irritant contact dermatitis accounts for _____% of all dermatitis cases
IS there immune system activation in primary irritant contact dermatitis?
Allergic contact dermatitis is what type of reaction?
type 4 delayed
Does first contact to an allergen in allergic contact dermatitis cause a rash?
no (second exposure is what causes reaction)
Is there immune system activation in allergic contact dermatitis?
What is phototoxic dermatitis?
dermatitis that arises from sun exposure
What causes phototoxic dermatitis?
(followed by sun exposure)
What type of reaction is photo allergic dermatitis?
type 4 (cell mediated delayed)
When does a photo allergic dermatitis reaction appear?
1-3 days after sun exposure
What is the difference between phototoxic dermatitis and photoallergic dermatitis?
Phototoxic: only affects areas that are exposed to the sun, doesn't require prior exposure to sun
Photoallergic: can affect non-sun exposed areas of the skin, requires prior sun exposure
What is atopic dermatitis?
immune-mediated inflammation of the epidermis and dermis
Which type of dermatitis has potential for the itch-scratch-rash cycle?
What is nummular dermatitis?
recurrent red, itchy, coin shaped patches of blisters/scabs/scales
What is stasis dermatitis?
dermatitis due to blood pooling due to chronic venous insufficiency (m/c in ankles)
Lichen Simplex Chronicus is also known as...
Is lichen simplex chronicus linked to allergens?
(linked to psychogenic factors)
What is Seborrheic dermatitis?
dermatitis of skin rich in sebaceous glands (m/c in hairline, scalp)
In adults, seborrheic dermatitis is known as...
In infants, its known as....
What organism causes seborrheic dermatitis?
Pityrosporum ovale yeast
THIS SET IS OFTEN IN FOLDERS WITH...
(PR) Urinary 1
(PR) Urinary 2
SysPath 400 - Digestive 3
Integumentary Pathologies #1
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