Trigger- Papulosquamous & Inflammatory Disorders Flashcards
Herald rash and christmas tree rash
pityriasis rosea
caused by HHV 6 & 7
Pitryiasis Rosea
fine scaling papules and patches that are dull pink and salmon red.
MC in 10-40 and spring/fall
pityriasis rosea
associated with Gold, mercury and Hep C
lichen planus
flat topped papules that are annular, purple and pruritic
lichen planus
dermoscopy shows flat topped papules with whickham striae
lichen planus
tx for cutaneous lichen planus
triamcinolone under occlusion BID x 4 weeks
treated with cyclosporine and tacrolimus mouthwash
lichen planus of the MOUTH
shiny beaded skin colored/reddish brown papules in an annular arrangement
granuloma annulare
biopsy shows histiocytic infiltration or necrobiosis of connective tissue
granuloma annulare
this is the MC type of panniculitis
Erythema Nodosum
this diagnosis involves inflammation of the SQ fat
erythema nodosum
can cause secondary arthralgias
erythema nodosum
close association with sarcoidosis
erythema nodosum
Hyperproliferation of keratinocytes in the epidermis is what disease pathology
psoriasis
what type of psoriasis is preceeded by a streptococcal infection (potentially strep throat)
guttate/nummular/eruptive inflammatory psoriasis
when the removal of a scale leaves a small blood droplet it is called_______. this is an indicator of what disease
Auspitz sign
psoriasis
yellow-brown oil spots on the nails with subungal hyperkeratosis or onycholysis is indicative of what
psoriasis with nail involvement 3
erythematous patch with sharp margins that has silvery-white scales that fall with scratching. itchyyyyy
psoriasis
a patient with a known hx of psoriasis is now breaking out into large areas of sterile pustules, what is the most common medication withdrawal assocaited w this?
CS
this type of psoriasis is life threatening and presents with a positive nikolsky sign and leukocytosis with a left shift
generalized/von zumbusch pustular psoriasis
How do you treat localized psoriasis of the scalp
tar shampoo + lotion
Last resort: Oral retinoids for thick, hyperkeratotic lesions that are unresponsive.
how do you treat localized psoriasis on the palms/soles
high potency CS w occlusive dressings or PUVA soaks
Last resort: Oral retinoids for thick, hyperkeratotic lesions that are unresponsive.
How do you treat palmoplantar pustulosis psoriasis
PUVA soaks!
use MTX or Cyclosporine in unresponsive cases to suppress immune response
MC 10-40 and spring/fall
pitryasis rosea
A patient presents with a flare up of their chronic stable plaque psoriasis. The have areas of moderate sized plaques on their scalp and their forearms. what do you reccomend as treatment?
- tazarotene (topical ret) + topical CS
- coal tar (scalp)
Give tx for:
1. generalized inflammatory psoriasis
2. generalized plaque psoriasis
3. Generalized pustular psoriasis
- refer derm, UVB irradiation or PO PUVA chemo
- refer derm, UVB irradiation, PO PUVA chemo, PO retinoids or imunosuppressents
- hospitalization, IV fluids, IV abx, PO retinoids
