Flashcards in Common Skin Disorders Deck (50)
Mild flushing to deep reddened appearance with severe telangiectasias and soft tissue hypertrophy, w/ some burning or stinging
What do the following have in common: hot liquids, spicy foods, ETOH, sun exposure, extreme temps, vasodilating drugs, emotional factors?
aggravating factors of rosacea
First line therapy for mild to moderate rosacea without papules or pustules
topical antibiotics (azelaic acid, metronidazole, erythromycin, clindamycin)
Treatment for moderate to severe rosacea (papules, pustules, or ocular involvement)
systemic antibiotics (tetracycline, doxycycline, erythromycin)
Can be a complication of rosacea. Soft tissue hypertrophy related to vasodilatation
generates inflammation associated with acne
colonization of follicle by Propionibacterium acnes
Type of acne that is mainly comedones with an occasional small inflamed papule or pustule; no scarring present
Type of acne with comedones and more numerous papules and pustules (mainly facial); mild scarring
type of acne with numerous comedones, papules, and pustules, spreading to the back, chest, and shoulders, with an occasional “cyst” or nodule; moderate scarring
Type of acne with numerous large cysts on the face, neck, and upper trunk; severe scarring
Treatment for type I acne
topical benzoyl peroxide
Treatment for severe acne that should be monitored by dermatologist
What type of keratolytics work better on dry faces and what works better on oily faces?
dry- creams. oily- ointments
How long does it take before a patient will notice results from tretinoin (Retin-A)?
What should be used to treat acne vulgaris if treatment with tretinoin (Retin-A) fails?
Azelaic 20% cream
Reduces resistance against topical Rx antibiotics
concurrent use with benzoyl peroxide
Requires negative pregnancy test prior to initiation of treatment and two forms of birth control at all times
Most common pathogen of folliculitis
Pathogen responsible for hot tub folliculitis
Topical abx treatment for folliculitis
Known as razor bumps. Common in Africans. Occurs when free ends of tightly coiled hairs reenter skin and cause a foreign body inflammatory response
Treatment for Pseudofolliculitis Barbae
flat, brown areas of skin that can be up to one inch in diameter. benign and painless. Caused by sun exposure
Very common benign warty, often scaly hyperpigmented lesion
epidermal lesions/tumors in the elderly. "Aging spots."
Topical tx for seborrheic keratosis
ammonium lactate, alpha hydroxy acids, or tazarotene crm
Results from a clone of abnormal squamous cells caused by UV light-induced gene alteration. Premalignant scaly patches of hyperkeratosis w/surrounding erythema
Percent of squamous cell carcinomas that arise from actinic keratosis
Treatment for actinic keratosis
nonhypertrophic- liquid nitrogen. hypertrophic- surgical curettage. multiple- topical 5-fluorouriacil (Efudex) or imiquimod (Aldara)
Caused by HPV type 1, 6, 11 infection of epithelial tissue.