Dermatology Lecture 12: Papulosquamous Rashes – Flashcards
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What skin condition does dandruff fall under?
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seborrheic dermatitis
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Where is seborrheic dermatitis commonly found?
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scalp, eyebrows, eyelids, nsolabial folds, ears, sternum, axillae, umbilicus, groun, gluteal crease
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What diseases are commonly associated with seborrheic dermatitis?
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Parkinsons** CVA HIV** DMII Epilepse Neuroleptic drugs**
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seborrheic dermatitis of nasolabial groove
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seborrheic dermatitis of nasolabial groove
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seborrheic dermatitis of nasolabial groove
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seborrheic dermatitis of nasolabial groove
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seborrheic dermatitis of nasolabial groove
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seborrheic dermatitis of ears
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seborrheic dermtitis of eyebrows
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seborrheic dermtitis of eyebrows
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seborrheic dermtitis of eyebrows
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seborrheic dermtitis of eyebrows
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seborrheic dermtitis of eyebrows
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seborrheic dermtitis of sternum
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seborrheic dermtitis of sternum
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seborrheic dermtitis of sternum petaloid look
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seborrheic dermtitis of face, petaloid look
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seborrheic dermtitis of face, petaloid look
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seborrheic dermtitis of scalp
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seborrheic dermtitis of scalp
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seborrheic dermtitis of eyelids
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seborrheic dermtitis of eyelids
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seborrheic dermatitis
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seborrheic dermatitis (dont confuse with lupus)
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seborrheic dermatitis (dont confuse with lupus)
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seborrheic dermatitis
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seborrheic dermatitis (dont confuse with lupus)
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TF Pityriasis rosacea is seasonal.
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True, most common in spring and autumn
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How old are people who typically get pityriasis rosea
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b/t 15-40 yo
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TF sun exposed areas are most vulnerable with pityriasis rosea.
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FALSE, PR usually SPARES sun exposed areas
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Describe the progression of pityriasis rosea.
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a single mother/herald patch forms then others form around it. Usually shows up a week before the others and is larger. Rash is self limited and goes away after 8 wks
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What does pityriasis rosea look like?
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salmon colored papular and macular lesions that are ovual with fine crinkled dry epidermis. There is a collar of scale around the edges.
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when pityriasis rosea is stretched it wrinkles in that direction
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What is the hanging curtain sign?
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ovals running along long axis parallel to lines of cleavage
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What is a christmas tree distribution?
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pityriasis rosea
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pityriasis rosea with xmas tree distribution
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pityriasis rosea (not lupus)
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pityriasis rosea
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pityriasis rosea (not tinea)
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pityriasis rosea (not tinea)
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pityriasis rosea with crinkled appearance
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pityriasis rosea
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pityriasis rosea
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pityriasis rosea
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pityriasis rosea
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pityriasis rosea note, not in sun areas
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pityriasis rosea (hypopigmented version)
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pityriasis rosea (hypopigmented version)
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pityriasis rosea (note large herald patch)
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pityriasis rosea
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pityriasis rosea
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pityriasis rosea (not lupus)
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TF Psoriasis is quite un common.
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FALSE, it is common, in 1-2% of population
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What is the mean age of onset of psoriasis?
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27 yo
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TF men and women are equally affected by psoriasis.
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True
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TF stress worsens psoriasis
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TRUE
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TF psoriasis follows lines of blashko
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False, it does koeber's phenomenon
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TF Psoriasis has few genetic links.
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FALSE, it is largely inheritable, many genes
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What is auspitz sign?
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removal of scale involved in psoriasis results in pinpoint bleeding
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What is the ring of woronoff?
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when the psoriatic plaque is encircled by a clear halo
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What are teh 6 forms of psoriasis?
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1) Psoriasis vulgaris 2) Seborrheic-like 3) inverse 4) Psoriatic arthritis 5) Guttate 6) Pustular
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Describe psoriasis vulgaris.
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chronic plaque with micaceous scale on elbows and knees
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Where is inverse psoriasis found?
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groin and underarms
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What is noted on a microscope when looking at a slide of psoriasis
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irregular epidermal hyperplasia with suprapapillary thinning
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What skin condition is a munro microabscess associated with?
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psoriasis
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psoriasis with auspitz sign and micaceous scale
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psoriasis, sharply demarcated plaques
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psoriasis, ausptiz sign and micaceous scale
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psoriasis, woronoff's ring
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psoriasis, micaceous scale
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psoriasis, micaceous scale
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psoriasis, ausptiz sign
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What does guttate psoriasis look like?
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abrupt erputions of 2-5 mm water drop sized lesions that often follows an acute infection of strept throat
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis with halos
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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guttate psoriasis
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What is another name for generalized pustular psoriasis?
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von zumbusch
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Describe generalized pustular psoriasis.
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sudden onset of psoriasus that has lakes of pus on mucus membranes. pt might have fever and eythroderma and elevates WBC. result of systemic corticosteroids.
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generalized pustular psoriasis with lakes of pus
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on soles
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psoriasis on feet
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psoriasis on feet
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psoriasis on soles
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psoriasis on feet with austipz sign
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psoriasis on soles
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What arthridity is keratoderma blennorrhagica associated with?
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reiter syndrome (reative arthritis) pt will have urethritis, conjunctivitis, and arthritis
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What gene is keratoderma blennorrhagica associated with?
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HLAB27
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keratoderma blennorrhagica
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keratoderma blennorrhagica
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keratoderma blennorrhagica
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keratoderma blennorrhagica
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circinate balanitis
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circinate balanitis
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keratoderma blennorrhagica
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keratoderma blennorrhagica
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What does pityriasis rubra pilaris present like?
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follicular papules that are disseminated and confluent. Has a dull red glazed appearance with yellow pink scale. There are islands os sparring.
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TF Pityriasis rubra pilaris has no inheritable features.
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TRUE
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Pityriasis rubra pilaris with scale and glazed appearance
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris with orange karatoderma
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris, glazed look
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Pityriasis rubra pilaris, islands of sparing
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Pityriasis rubra pilaris follicular papules
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Pityriasis rubra pilaris islands of sparing and follicular papuls
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris glazed appearance
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Pityriasis rubra pilaris islands os sparing
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Pityriasis rubra pilaris orange karatoderma
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris
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Pityriasis rubra pilaris orange karatoderma
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