disorders of the Integumentary system

Most common skin cancer

Basal cell carcinoma

pearly papule with rolled boarders

BCC

Scaly, ulcerated lesion

Squamous cell carcinoma

SCC risk factor

chronic sun exposure

Most deadly skin cancer

melanoma

Melanoma assessment

ABCDE Rule

Asymmetry

Border irregularity

Color variation

Diameter >6mm

Evolving

Precancerous lesion caused by sun exposure

actinic keratosis

Associated with HIV/HHV-8

Kaposi sarcoma

Autoimmune disease with rapid skin turnover

psoriasis

Silvery plaques on extensor surfaces

psoriasis

Lichen planus

5 P’s

Pruitic

purple

polygonal

planar

papules

pemphigus vulgaris

flaccid blisters

Pemphigus layer

intraepidermal

Bullous pemphigoid

tense blisters

Bullous pemphigoid layer

subepidermal

Honey colored crust

impetigo

What causes impetigo

Group A strep Staph aureus

Erysipelas

Raised, well-defined red skin

Deep skin infection

poorly defined borders

cellulitis

tinea corporis

ringworm

Tinea ersicolor

hypo/hyperpigmented patches

Autoimmune loss of melanocytes

vitiligo

Decreased melanin production

albinism

First degree burn

epidermis only

second degree burn

partial thickness

blisters present

third degree burn

full thickness

leathery painless skin

Estimates % total body surface area burned

rule of nines