Seb Derm, Lichen P, Pit rose Etc Flashcards
Tapioca vesicles
Pompholyx/dishydrotic eczema
What are associated disorders with psoriasis
Psoriatic arthritis
IBD, heart disease, DM, infections, autoimmune disorder,
EYE stuff
~it’s not just a skin disorder~
What skin condition is associated with Hepatitis C
Lichen planus
What is guttate psoriasis
Psoriasis that looks like droplets often preceded by strep infection
What is the treatment for psoriasis?
Sunshine Baths (moisten thick plaques) Emollients (reduce itching) Occlusive dressings, Rest Topical steroids Topical vitamin D Coal Tar Retinoids Topical Calcineruin inhibitors
What is a topical retinoid for psoriasis
Tazarortene (Tazorac)
What does the herald patch of pityriasis rosea look like
Oval slightly raised lesion with collarette scale
How do you treat seborrheic derm on scalp
Antifungal agents
Topical steroids
Ketoconazole shampoo/cream
Selenium shampoo
What is dactylitis and what disease is it associated with
Sausage fingers, associated with psoriatic arthritis
when does seborrheic derm get worse
Emotional stress and during cold/dry weather
What is the Koebner phenomenon
Development of lichen planus in sites of trauma
What are the 4 P’s of Lichen Planus
Pruritic
Purple
Polygonal
Papules (or Plaques)
How prevalent is Psoraitic arthritis
30% of pts with psoriasis
Wickhams Striae
Lichen planus
1st line treatment for lichen planus
high or super high potency topical or intralesional steroids (for trunk and extremities)
What does psoriasis do to the fingernails
“Oil spots” PATHOGNOMIC
Pitting
Onycholysis
Who gets pityriasis rosea most commonly
Teens and young adults
How does pityriasis rosea first present
Prodrome, then Herald patch followed by secondary rash 1-2 weeks later
What is “cradle cap”
Seborrheic derm on infants
Yellow greasy scales on vertex of scalp
What does psoriasis look like?
Thickened dry raised patches covered with a SILVERY WHITE SCALE
How do you treat seborrheic blepharitis or cradle cap?
Olive oil
Baby shampoo
Warm water to loosen crusts
Micaceous Silvery Scale
Psoriasis
What body parts are usually affected by psoriatic arthritis?
Smaller joints
DIP joints
Spine
In an asymmetric distribution
Neurodermatitis other name
Lichen simplex chronicus
What is the most common type of psoriasis
Chronic plaque (vulgaris)
What causes Pityriasis rosea
Skin expression of viral disease (herpes HHV6/7)
What is the treatment for pityriasis rosea
REASSURANCE
Oral antihistamines
Medium strength topical steroids
Sunlight
What are wickham’s striae associated with
Lichen planus
Tiny white lines running through papules
What rash has a “cigarette paper” like appearance to the plaques
Pityriasis rosea
How does seborrheic derm present on adults
Red macules, patches or plaques with YELLOW GREASY-LOOKING SCALES
How do YOU treat Psoriatic Arthritis
Should be coordinated between a rheumatologist, dermatologist, and PA-C
What is seborrheic blepharitis
Seborrheic derm on eyelashes
Can you use oral steroids for psoriasis?
NO NO NO NO NO NO NO
It gets worse after you stop them and the pt can wind up in hospital
What rash presents in a CHRISTMAS TREE PATTERN
Pityriasis rosea
Moderate to severe psoriasis requires what
Phototherapy
Systemic therapies
CARE BY DERMATOLOGIST
What are the most common places to get lichen planus
WRISTS Back Shins Ankles Penis MOUTH (50%)
What causes seborrheic derm
Sebaceous glands create a favorable environment for M. Furfur, which is normally found on skin
What are the names of synthetic Vitamin D topical
Calcitriol
Calcipotriol/calcipotriene (Dovonex)
What topical steroids are appropriate for psoriasis
Group I or II (High or super high potency to get through the thick plaque)
Clobetasol
Betamethasone
Fluocinonide
What is Auspitz sign?
Removal of psoriasis plaque reveals shiny skin with tiny blood spots
Christmas Tree
Pityriasis Rosea
How do you treat seborrheic derm on face
Low potency topical steroid
Topical antifungal
Atopic triad
Atopic eczema
Allergic rhinitis
Asthma
What causes psoriasis
Overactive T Cells cause body to make new skin cells super fast, skin can’t be sloughed off fast enough=INCREASED THICKNESS (PLAQUE)
What are some steroid sparing agents you can add to a patient treatment for psoriasis
Synthetic Vitamin D
Coal Tar
Topical Retinoids
Topical Calcineruin inhibitors
What causes lichen planus
Immune mediated response, but other than that we don’t react know what causes it
What conditions is the Koebner phenomenon associated with?
Psoriasis vulgaris
Lichen Planus
(Getting lesions in areas of skin injury)
Who is more likely to get seborrheic dermatitis
M>F
20’s-30’s peak prevalence
What are topical Calcineruin inhibitors for psoriasis
Tacrolimus
Pimecrolimus
What is a good steroid for lichen planus
Triamcinolone
What lab findings are common with psoriatic arthritis?
Elevated Sedimentation rate
Leukocytosis (elevated WBC)
Who gets lichen planus most commonly
30-60 year olds
How long does it take for pityriasis rosea to fo away
6-8 wks
What gene identifies patients who are DESTINED to develop psoriatic arthritis in addition to their psoriasis?
HLA-B27
4 P’s
Lichen Planus
What are some of the main things on the Ddx of pityriasis rosea
Tinea corporis-herald patch OFTEN mistaken. Do KOH prep
SECONDARY SYPHILIS-do serologic test, RPR (rapid plasma reagent)
