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31 Cards in this Set

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Skin System: Lec.18 - Intro to Clinical Dermatology
Skin System: Lec.18 - Intro to Clinical Dermatology
What is the most common symptom of folliculitis
itchy
what is the cause of hot tub folliculitis?
pseudomonas ariginosa (self limited, you dont have to treat, but you may use flouroquinalones)
acne
-disease of the pilosebaceous unit
neonatal acne
-from leftover hormones from the mother

-usually goes away on its own
steroid acne
-side effect from steroid overuse, or high dose
ance mechanica
acne from occlusion of the area
acne excorea
acne that was picked to death
milia
small sebaceous sists
sinle comedones (favra rosacea)
usually seen in the elderly, who have had too much sun
acne vulgaris (inflamatory, and non inflamatory)
inflamatory - red and inflamed (papules, pustules, nodules)

noninflamatory - open and closed comodones (plugging) not red
why did we get ance when we went through puberty
p.acnes, one additional part. Testosterone levels increase this work on the hair follicles and makes them more sticky and sebum levels increase, this all adds up to produce a micro comodones
Q18:

topical antibiotics
-topical antibiotics

- topical retenoids

- benzo peroxides

-combination therapy
Q18:

what is a common topical antibiotics used?
clindomycin
Q18:

topical retinoids
- reverses the abnormal pattern of keritinazation (the plugging)

-Dryness is a sideeffect, and more sun sensitive

-takes about 2 months to work
Q18:

benzoperoxide
- most common over the counter, they are antibacterial, the decrease the number of p.acnes
Q18:

Oral anibiotics

-if bacteria are not the main problem then why do we put pts on antibiotics for a long time?
-they are antiinflammatory for immune response
Q18:

antiandrogen therapy?
-usually only used in women

-used for hirsuitism, and for acne.

-estrogen can be used, glucocorticoids, and direct antiandrogens (spirinolactone)
Q18:

what is the only drug that decreases the effectiveness of birth control
rifampin
Q18:

what about steroids for acne?
- usually only used for short term (wedding)

- or intralesional
Q18:

spirnolactone
can not be used in pregnancy (because if there is a male fetus then this is a problem)
Q18:

acne rosace
-this is what adults get
-different pathophys (no comadones)
-proinflamatory due to sun damage
-redness, rhinothyma (overgrowth of the sebaceous glands)
Q18:

warts?
- not much you can do to speed up the immune system to deal with them.

- caused by HPV
Q18:

how do you treat warts?
- try to help induce the immune system

- cause a low level of inflamation to induce the immune system to come into that area.
Q18:

Cantheridin
- it does not hurt (use for children)
Q18:

what are the blackdots in a wart?
thrombosed vessel
Q18:

Molluscum Contagiosum
-Caused by poxvirus (ds DNA)
- discrete 2-5mm papules
-usually seen in your children or caregivers of young children
-you can cut the top off and remove the ball of virus
-ignoring it is ok it may go away in about 18months
Q18:

Scabes
-mite, common in nursing homes and prisions

-worse at night

-linear burrows (in fingerwebs)
-they like warm areas (circumsized males)
Q18:

what makes the scabes pt itchy?
- its the poop of the scabes
-may itch for 1 month
-treat the whole family
Q18:

Headlice
- children
- immunosuppressed
- use an aniparasitic drug and remove the nits
-designed to be able to move
Q18:

Crab lice
- not too commoon
-may get bluegrey macules (blue surule)
- will not involve the scalp, but they will invade the eyelashes
-designed to be able to hold on