8.1. Tinea barbae
Terms in this set (13)
What causes Tinea barbae?
-monomorphic molds that cause cutaneous mycoses of hairy areas of the skin of the face and neck.
Where is Trichophyton found?
worldwide in humans and non-human mammals (reservoirs).
How is Tinea barbae (Trichophyton) transmitted?
-non- human mammals-to-people
-is communicable as long as infective lesions are present.
What is the incubation period for Tinea barbae ?
-Mycelia grow into pores around hair shafts, beneath the cuticle of hairs or in the stratum corneum layer of the skin.
-Hyphae growing into the stratum corneum produce edema and leukocytic infiltrations by releasing collagenase, keratinase and elastase enzymes that destroy skin proteins.
yes, Partial protective immunity follows infection
-mild superficial type is characterized by scaling lesions with a vesiculopustular border on the bearded areas of the face and neck.
true or false: The deep pustular type has deep, follicular pustules on the bearded areas of the face and neck that result in nodular keloids and kerions with alopecia and scarring.
-Staining of lesion scrapings
or diseased hair show different types of microconidia, depending on the fungal species.
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