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fmboards dermatology
fm boards 2010
Question | Answer |
---|---|
treatment for rosacea | avoiding aggravating factors, antibiotics, metronidazole, isotretinoin |
complications of rosacea | rhinophyma(build up of tissue around the nose) and ocular rosacea(burning and gritty feeling) |
herald patch | pityriasis rosea |
christmas tree pattern | pityriasis rosea |
treatment for pityriasis rosea | no treatment, if itching topical steroid |
cradle cap in children a.k.a. | seborrheic dermatitis |
seborrheic dermatitis cause is unknown but linked to | Malassezia furfur |
treatment of seborrheic dermatitis-scalp vs skin | scalp-medicated shampoo, ketoconazole skin-topical steroids and topical ketoconazole |
define psoriasis | chronic inflammatory skin disorder caused by excessive and rapid skin cell production |
cause of psoriasis | unknown but hypothesized to be immune related |
what is koebner's phenomenon | when psoriasis occurs at the site of trauma |
following a strep infection what type of psoriasis can you have | Guttate psoriasis |
treatment for mild vs severe psoriasis | mild-steroids, retinoids, vitamin d severe-phototherapy, retinoids, methotrexate, and cyclosporin. |
lichen planus | inflammatory disease that affects the mucous membranes |
lichen planus affects what age | 30-60 |
cause of lichen planus | unknown |
describe the skin lesions of lichen planus | violaceious violet papules a few millimeters in diameter, pruritic |
wickman's stria | surface network of white lines that are sometimes present on the skin lesions |
describe the oral lesion | white lesions in the oral cavity |
treatment for lichen planus | no treatment |
does lichen planus re-occur | yes, often |
2 main causes of cellulitis | stap and strep |
cause of cellulitis in children | h flu |
cause of cellulitis after animal bite | pasturella multocida |
treatment for cellulitis | cephalosporin or augmentin |
2 bacteria that cause impetigo | staph or group A strep |
erysipelas is caused by what bacteria | strep pyogenes |
describe the rash with erysipelas | red, well demarcated, firm and tender |
complication of erysipelas | bacteremia and sepsis |
treatment for erysipelas | oral or iv antibiotics |
compare KOH screen for tinea versicolor vs candidiasis | tv-budding hyphae cand-pseudohyphae |
scabies is treated with 2 types of medication | permethrin or crotamition |
Define pediculosis | skin infection from lice |
how is head lice diagnosis | woods lamp-nits appear blue |
treatment for head lice 3 medications | permethrin shampoo, malathion shampoo, or lindane cream |
Stevens-Johnson Syndrome is defined as | erythema multiforme major-severe inflammatory condition of the skin thought to be caused be a drug reaction |
S-Johnson patients present with | tongue and facial swelling, mucoal erosions, skin sloughing, diffuse hives, and target lesions |
treatment of Stevens-Johnson syndrome | stop offending agent, and supportive care, pain medication, iv fluids, and local skin care |
complications of Stevens-Johnson syndrome | cellulitis and sepsis |
define toxic epidermal necrolysis | severe, life threatening inflammatory skin condition that is generally felt to be an allergic reaction to a medication which affects the mucous membrane of the mouth, nose and eyes |
what is the Nikolsky's sign | putting pressure on an area which causes a spread of blisters |
treatment of toxic epidermal necrolysis | supportive, burn unit prn , IV IG |
mortality rate for toxic epidermal necrolysis | 30-40 % |
characteristics of melanoma | irregular shaped, dark color, change over time, >1/4 inch, asymmetric, bleeding mole |
treatment for melanoma | surgery, chemo and radiation |
prognosis for melanoma depends on | stage if there is distant spread 5 year survival is less than 10 % |
other types of skin cancer-2 | basal cell and squamous cell |
most common type of skin cancer | basal cell |
appearance of bcc | waxy, pearly, papules |
treatment for bcc | surgical excision |
appearance of scc | varies from red papule to flat crusty lesion or scaly lesion |
treatment for scc | mohs surgery |
actinic keratosis are precursor to what cancer | squamous cell carcinoma |
treatment for ak's | cyro, topical 5 fluorouracil and imiquimod |