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15 Cards in this Set
- Front
- Back
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Histologic difference between hsv, varicella & herpes zoster
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Identical
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Grovers disease
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"Focal acantholytic dermatosis"
Suprabasal clefting Dyskeratosis Minimal necrosis Histol identical to dariers dz (widespread) Ddx: pv, hsv |
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Sweets syndrome
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"acute febrile neutrophilic dermatosis"
Assoc: AML (10%), lymphoma, myeloma, adenoca. Drug: G-CSF, bactrim Dense sup & deep perivasc & INTERSTITIAL Sea of neutrophils Striking papillary dermal edema |
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Leukocytoclastic angiitis
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Nph in dermal bvs
Nuc debris |
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Dermatitis herpetiformis
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Nph in tips of dermal papillae
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AKs
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PK over dysplasia
Dyslplasia spares adnexa |
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Leukocytoclastic angiitis
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Nph in dermal bvs
Nuc debris |
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DDx superficial & deep perivascular dermatitis WITHOUT epid change
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7 Ls:
Lupus Polymorphous light Lues (syph) Lyme Lymphoma Lymphocytic (infilt of jessner) Lymphocytoma cutis |
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Tumid lupus
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Lupus without the surface changes (interface vacs...)
Not assoc w regular lupus Mucin (hales colloidal iron!) Dense sup & deep mononuc infilt |
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Morphea
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Localized scleroderma
Density of infiltrate is greater deep Insterstitial spread Mixed infiltrate: *plasma cells! |
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Urticaria
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Normal epidermis
SUBTLE In the ddx of "nothing"! SPARSE infilt: nph, eos, lymphs |
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Sup & deep perivasc inflam...
With spong |
Arthropod (wedge shaped inflam; eos)
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Sup & deep perivasc inflam...
With psoriasiform |
Scabies (subcorneal burrows)
Secondary syphilis (4-10 wks>1; palms & soles, **plasma cells, warthin-starry/ steiner stain) |
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Sup & deep perivasc inflam...
With interface |
LUPUS! (mucin)
PLEVA (RBC extrav; wedge shaped lymphomononuclear, confluent PK) Fixed drug eruption (nph, eos) |
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Flame figures
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Seen with lots of eos (eg. Wells synd)
Degen collagen |
