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13 Cards in this Set
- Front
- Back
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name the techniques of diagnosis in dermat.?
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wood's lamp
patch test diascopy koh mount tzanck smear biopsy |
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use of diascopy?
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differentiates erythema(blanching) and purpura(no blanching) by the help of a glass slide
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concentration and function of koh used in koh mount?
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10-30% soln
dissolves keratin |
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wavelength of uv rays and filter used in wood's lamp?
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365 nm and nickel oxide
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uses of wood's lamp?
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fungal infn
pigmented lesion porphyria(pink fluoroscence in urine) |
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uses of tzanck smears?
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viral infn
mulnucleated giant cells pemphigus(acantholysis) |
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uses of patch test? And time of reading?
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differentiating allergic contact dermatitis from irritant dermatitis.
Results are read at 48 and 96 hr. |
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name some characteristic biopsy findings?
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hyperkeratosis
hypergranulosis acanthosis acantholysis parakeratosis spongiosis microabscesses |
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what is hyper:
keratosis? Granulosis? Acanthosis? Acantholysis? |
thickening of
s. Corneum s. Granulosum s. Spinosum separation of keratinocytes |
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parakeratosis found in?
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psoriasis
nucleated cells in s. Corneum |
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spongiosis?
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found in eczema
intraepidermal edema found |
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types of microabscesses?
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munro's mabscess-neutrophils in s. Corneum(psoriasis)
pautrier's -atypical lymphncytes found in epidermis(CTCL) neutrophilic-collecn of neutrophils on the tips of dermal papillae(dermatitis herpetiforme) |
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types of microabscesses?
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munro's mabscess-neutrophils in s. Corneum(psoriasis)
pautrier's -atypical lymphncytes found in epidermis(CTCL) neutrophilic-collecn of neutrophils on the tips of dermal papillae(dermatitis herpetiforme) |
