Papulosquamous Disorders Flashcards
Hypopigmented patches with a mild scale, slightly pruritic.
Symmetric, found on forehead, cheeks and neck, usually found in ages 3-16 years
Pityriasis Alba
When is pityriasis alba worse?
Summer, sun worsens condition
How should you treat Pityriasis Alba?
The condition is benign and self limiting, may relapse, unknown cause.
May use TCS or TCIs for symptoms
Salmon colored plaques with ISLANDS OF SPARING.
Waxy, diffuse orange keratoderma of palms and soles.
rare, chronic papulosquamous disorder
Pityriasis Rubra Pilaris
How to dx PRP
punch biopsy
1st and 2nd line treatments for Pityriasis Rubra Pilaris?
Symptomatic Treatment:
1st Isotret
2nd Methotrexate or Apremilast
Antihistamine, high potency TCS, urea/sa, tret
What should you educate patient on regarding treatment of Pityriasis Rubra Pilaris
It may take years to resolve.
Herald patch, salmon red colored patches with fine scale, acute benign exanthematous eruption
christmas tree pattern
proximal extremities and trunk
Pityriasis Rosea
How long does Pityriasis Rosea hang around? when is it at its worst?
6-12 weeks
Spring/Fall
How to treat Pityriasis Rosea
antihistamines
tcs
sun/heat avoidance
Recurring crops of erythematous papules w/ a central scale, present on trunk and extremities
Pityriasis Lichenoides
Treatment for Pityriasis Lichenoides
TCS, TCI, azithromycin, erythromycin
- does not require treatment
Education for Pityriasis Lichenoides
Rare, response to infection, may last months to years, will need biopsy.
Pityriasis Lichenoides et Varioliform
Prolonged course of Pityriasis Lichenoides, lasting 1-3 years, if prolonged may progress to mycosis fungoides or ctcl
PLV is also known as
MuchaHabermann
Acute onset of 2-3 mm macules and papules with a rapid progression to vesicles, ulceration and necrosis, emergency
PLV
how to treat PLV
TCS
TCI
Doxycycline
Dapsone
Acetretin
Pruritic urticarial papules
3rd trimester
no risk to fetus
most common in primagravida
SPARES UMBILICUS
Occurs on abdomen, lower back, buttock, upper/inner arms
PEP
How to treat PEP?
TCS
Prednisone
Antihistamines
When does PEP resolve
after delivery
When is seb derm at its worst?
Better in summer, worse in winter
Cracked riverbed, most common in lower extremities, trunk and dorsal hands
xerosis cutis
how to treat xerosis cutis
check tsh, t4, cmp, lft
bathe in lukewarm water
SOAK AND SEAL
Use humidifier
urea
lactic acid
ammonium lactat
What triggers psoriasis
weather
medications- BB, lithium, antimalarials
Group A strep
Most common form of psoriasis
plaque psoriasis
Micaceous scale
+ Auspitz sign
Most common in flexural areas, umbilicus, upper gluteal cleft
Plaque psoriasis
“Dew Drop”
R/t Group A strep
younger patients
normally on trunk
(ask about a sore throat recently)
Guttate psoriasis
Thin, shiny, erythematous skin found in folds, not moist
Inverse psoriasis
Sterile, noninfectious pustules on palms and soles
palmopustular psoriasis
RED Man syndrome
generalized psoriasis
dysregulation in IL-36 pathway
malaise, fever, leukocystosis
Spreads over the body in hours
ERYTHRODERMA
Associated with more severe forms of psoriasis, most commonly psoriatic arthritis, oil spots, onycholysis, dystrophy
Nail psoriasis
History components important when interviewing a psoriasis patient?
family hx
arthritis hx
trauma-koebner phenomenom
recent strep infections
BB? antimalarial? lithium?