Identify
Psoriasis
Sharply demarcated erythema usually with a thick micaceous scale, auspitz sing, and koebner phenomenon
Punch Biopsy to confirm diagnosis
Types: Chronic, inverse, and guttate (rare), pustular
Chronic= most common = palques on scalp, elbows, knees, presacral, nails, palms and soles
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psoriasis
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psorasis
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psorasis
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psorasis inverse type
Found in gluteal fold, axilllae, glands of penis
scale may not appear
harder to diagnose
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psoriasis guttate type
eruptive trunkal dermatosis
Post strep infection
usually childhood, tends to resolve and not reoccur
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psorasis pustular
life threatening
localized, hand and foot form
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psoraiasis pustular type
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psoriasis pustular
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onycholysis in patient with psoriasis = seperation of the nail from the nail bed
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lichen planus
Chronic inflammatory, autoimmune disease
Mostly in females ages 30-60
Wickham’s stria = lacy, reticular, white lines
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Lichen planus linear
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lichen planus linear
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annular lichen planus
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Hypertrophic lichen planus
Oral lichen planus forms
can occur by itself or with classical LP
Tender red patches especially buccal mucosa with Wickham’s striae that does not wipe off like thrush
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oral lichen planus with wickham striae on buccal mucosa
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Acute lupus erythematosus
Photosensitive pattern of erythema
Butterfly rash across the nose and the cheeks
May become bullous
Lab test to confirm: ANA
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acute lupus erythematosus
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subacute cutaneous lupus
erythematous and usually scaling rash of upper trunk and extensory surfaces (kind of looks like psoriasis plaques)
What is auspitz sign?
bleed when rubbing on scales
What is koebner phenomenon
occurs in site of previous trauma
Compilcations of psoriasis?
Depression, anxiety, sexual dysfunction, poor self-esteem, suicidal thoughts
Increased risk of non-melanoma skin cancers
psoriatic arthritis
What are the 6 Ps of lichen planus?
Planar (flat topped)
Purple
Polygonal
Pruritic
Papules
Plaques
What is Raynauds Syndrome?
Associated with Systemic Lupus Erythematosus
fingers turn totally white, then blue/reddish and then back to normal, vasoconstriction problem, painful