Chapter 43- Integument Flashcards
psoriasis
chronic, relapsing, proliferative, inflammatory disorder that involved skin, scalp, and nails
any age, established by 40 y/o
thickened dermis & epidermis
silvery lesion appearance
capillary dilation d/t increased cell metabolism= erythema
remission/exacerbations
plaque psoriasis most common
*pityriasis rosea
self-limiting inflammatory disorder occurs in young adults caused by herpeslike virus
A skin rash that sometimes begins as a large spot on the chest, belly, or back followed by a pattern of smaller lesions.
The cause of pityriasis rosea isn’t well understood but it may be triggered by a viral infection.
The condition causes a widespread, minimally itchy, skin rash on trunk and upper legs and upper arms
*s/s pityriasis rosea
single lesion (herald patch) circular, demarcated, salmon-pink, 3-10cm diameter on the trunk
secondary lesions trunk and upper extremities
oval bilateral lesions, symmetrical, raised scaly borders
pattern follows skin lines on back= drooping pine tree
itching
HA, fatigue, ST precedes
self-limiting
*carbuncles
collection of furuncles (boils/abscesses of hair follicles) usually occur on back of neck, upper back, lateral thighs
*s/s carbuncles
firm mass evolves into erythematous, painful, swollen abscess that drains through many openings
chills, fever, malaise
*herpes zoster & varicella
herpes zoster= shingles
varicella= chickenpox
vericella-zoster virus (VZV) is cause; remains dorsal root ganglia
s/s herpes zoster
Shingles is a painful rash that develops on one side of the face or body. The rash consists of blisters that typically scab over in 7 to 10 days and fully clears up within 2 to 4 weeks. Before the rash appears, people often have pain, itching, or tingling in the area where it will develop.