Derm 3

llbgurl's version from 2015-10-04 22:30

Section 1

Question Answer
tiny pustulesfolliculitis
deep folliculitis; erythematous nodueslfurnuculosis
several furncles that become tender, red and fluctuant; common on buttocks and trunkabscess
pseudomonoas (hot tub), staph and MRSAcutanous abcesses
topical abx BID 10-14 daysfolliculitis
I and D abcess
clindamycin or bactrimMRSA abcess
dixloxiicillin or cephalexinStaph abcess
follows a URI, erythematous rash starts on face neck and arms pits and groin and becomes tender with crusting around the mouth eyes and neckestaphylococcal scaled skin snydrome
friction to the skin results in epidermal seperation, leaving moist, shin red surfaceNiolsky sign
niolsky sign staphylococcal scaled skin snydrome
newborns total body invovlement; infants and children: just upper body involvedstaphylococcal scaled skin snydrome
newborn IV abxstaphylococcal scaled skin snydrome
infants and children: oral Dicloxacillin, minimal skin manipulation, pain meds, burn therapiesstaphylococcal scaled skin snydrome
most common cause of chronic persistent lymphadenopathycat-scratch disease
papule on skin or mucous membrane, arise after one week of inocculation and are not itchycat-scratch disease
lymph node chains nearest to the site become warm, tender and indurated, lymphadenopathy can last 1month to 1 yearcat-scratch disease
low grade fever, malaise, anorexia, fatigue, headachescat-scratch disease
sx treatment resolves in 2-4 weekscat-scratch disease
abx are not used unless systemic or secondary infection: azithro, clarithro, bactrim, cipro, gentamycin, azithro can help with lymph node swellingcat-scratch disease
indirect fluorescent antibody for serum antibodiescat-scratch disease
CBC and ESR temporarily elevatedcat-scratch disease
fever 106, bizarre behavior, endocarditis, osteocat-scratch disease
stage 1: red papule erupts at the site of tick bite and then enlarges over several weeks to form an annular ring with a flat red border and center that clears aka Erythema MigransLyme disease Erythema Chronicum Migrans
fever, maliase, headache, arthralgia, stiff neck lasting weeks to months if untreatedLyme disease Erythema Chronicum Migrans
stage 2: early disseminated disease: spirochetemia causes organism to spread through the skin causing multiple lesions. frequent headache/stomaches, urinary symptoms, muscle pains, mood swings, OCD new onset ADHD. can last weeks to years if untreated Lyme disease Erythema Chronicum Migrans
stage 3 pauciarticular arthritis knees most common affected. joints red, hot, swollen but not as painful. arthritis becomes painfulLyme disease Erythema Chronicum Migrans
three indicators for serologic testing: erythema migrans, facial nerve pasly, arthritisLyme disease Erythema Chronicum Migrans
positive serology can mean acute or previous infectionLyme disease Erythema Chronicum Migrans
treat with doxycyline or amoxicillin asapLyme disease Erythema Chronicum Migrans
inflammatory disorder of pilosecaceous unit where excess sebum, keratinous debris, and bacteria accumulate and produce microcomedomes. usually beings at pubertyacne
causes: contraceptives, steriods, antibotics, fast foods, sports participation, make up, age/genderacne
a plugged follicle from obstruction of the pilosecaceous unit on the face and trunkmicrocomedone
NON-inflammatory papule caused by blockage at the mouth of the follicle on the back, chest and face. Black color comes from oxidation of keratinous material at the opening of the follicleOpen comdone "black head"
NON-inflammatory lesion, fluctuant at the neck of the follice, this is the precursor to inflammatory acneclosed comdone "white head"
decrease excess sebum, change abnormal desquamation of skin cells, decrease proliferation and prevent scaringacne
use only noncomedogenic products, wash face twice daily with soap, foods do not cause acne acne
rupture of noninflamed lesions into the dermis which causes, papules, pustules, nodules, cysts, scars and confluent nodules. severity is determined by the type of lesions that existacne
open and closed comedone NO pustulescomedonal acne
comedones, red papules, and pusules (moderate acne)papulopustular acne
most severe form that requires intense treatmentnoducystic acne
may get worse before it gets betteracne
tretinoin, adapalene, tazarotene help minimize obstruction and break up comodomes. Start low potency and less frequent. Build to higher potency and may take 4-6 weeks for improvementtopical keratolytics
help control inflammatory process and can follow oral abxtopical antibodics
tetracycle, minocycline and doxycycline used for under 6 months and may take weeks to show improvementoral antibotics for ance
oral retinoidsaccutane
spronolactone, oral contraceptives can be used for acne with close follow uphormonal therapies

Section 2

Question Answer
herald patchpityriasis rosea
often treated as ring wormpityriasis rosea
within 2 weeks generalized puritic rash starts oval, scaley plaques that follow the lines of the skin on trunk and backpityriasis rosea
christmas tree distrubitionpityriasis rosea
persons with darker skin may have more papules and fewer plaquesinverse pityriasis rosea
lesions may have inverse pattern more on neck, extremities, groin and axilla and trunk may be sparedpityriasis rosea
judicious sun exposure might decrease itchingpityriasis rosea
VDRL should always be checkedpityriasis rosea
herald patch, resembling a large oval plaque, than becomes generalized, usually on the trunk. The lesions are not urticarial and will disappear with no treatmentpityriasis rosea
erythematous papular or macular lesions with thick silvery scalesPsoriasis
scalp, ears, eyebrows, elbows, knees, gluteal crease, umbilicus, genitalia, and nailsPsoriasis
nail involvmenet pitting, yellowing, thickeningPsoriasis
anal crease pinkening common in children, NO hair lossPsoriasis
calcipotriene, anthralin, tazarotenePsoriasis
NO systemic steriodsPsoriasis
scratching of lesions leaves pinpoint bleedingAuspitz sign
new psoriasis occurs at the site of traumaKoebner phenomenon = isomorphic phenomenon
means droplike, multiple discrete red papules usually on the trunk initally, develop a silvery scale, associated with streptococcal infectionGuttate Psoriasis
rapid strep for throatGuttate Psoriasis
more likely to develop typically psorasis in 5 yearsGuttate Psoriasis
infants: greasy yellow scale. red patches occur on the face and flexor surfaces (groin and axilla)seborrheic dermatitis
post-puberty: most common cause of SCALING of the scalp. poorly defined scaling patches on thes calp, ears, eyebrow, nasolabial folds, central chest.may or may not be itchyseborrheic dermatitis
low potenency steriods BID prn and resolves in 12 weeksseborrheic dermatitis
antiseborrheic shampoo, mid-potency steriod cream at pedtimeseborrheic dermatitis
petechiae, purpura or erosions with seborrheic dermatitis Langerhands Cell Histiocytosis
flaring up or acute symptoms complex which includes the scaling, vecesicles, inflammed papules, plaques and crusts Atopic Dermatitis
the itch that rashes = the itch rash cycleAtopic Dermatitis
dryness (xerosis), cracking, increase skin markings, lichenification and susceptibility to infectionAtopic Dermatitis
missing lateral half of eyebrow Atopic Dermatitis Hertog sign
extensor surfaces of arms and legs in infantsAtopic Dermatitis
flexur surfaces wristsn, neck, ankles in chilrenAtopic Dermatitis
flexural folds, face neck arms back hadns fingers feet toes adolescentAtopic Dermatitis
dennie lines and morgan lines of eyes, allergic shiners, keratosis pilaris, nummular excezma, dermatographismAtopic Dermatitis
unknown flaggrin mutation associated withAtopic Dermatitis
moisturize, wet compresess, burrows solution, do NOT dry skin completely, antihistiamines, OINTMENTS are better than gels, NO ORAL steriods, UV light may helpAtopic Dermatitis
prolonged contact with urine and stool. prolonged time with moisturediaper dermatitis
dry, rought skin with mild erythema from too little midty, soap or dryin lotionscontact dermatitis
symmetric red, cracking, and dryness of feet in prepubertal children. Great toes and forefoot most common; NOT related to fungus or excessive swettingjuvenile plantar dermatosis
erythema, vesicles, and oozing only in the area of contact; the distrubtion may be a clue to what caused itallergic contact dermatitis
widespread papulovesicular rash that occurs upon repeat exposures to substance the child is already sensitized toID reaction
contact derm treat te same way asatopic derm
diaper derm lasting longer than three dayscandidia albicans

Recent badges