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Derm 7, Cutaneous Infections SP

Terms in this set (32)

A unique group of fungi able to infect nonviable keratinized cutaneous tissues (hair, nails)
dermatophytosis
"Tinea" refers to:
dermatophytosis
Dermatophytes contain several enzymes:
acid proteinases, elastase, keratinases
The most common causative agent of dermatophytoses worldwide.
Trichophyton rubrum
Types of tinea pedis:
interdigital, moccasin, bullous
Tinea cruris often spares:
scrotum
A bright red, annular, sharply marginated lesion with a central clearing.
tinea corporis
Tinea corporis has scaling ___________ the rim
inside
"Gray patch" clearing where the hair shaft becomes brittle and breaks off is characteristic to:
tinea capitis
"Black dot" broken hair and positive lymph nodes are pathognomonic for:
tinea capitis
A boggy, purulent honeycomb-like nodule.
kerion
Follicular pustules and papules in the beard area
tinea barbae
T or F: All things that form pus are bacterial
false
An infection of the fingernail or toenail caused by fungi, yeasts or molds
onychomycosis
A subtype of onychomycosis caused by the dermatophyte group of fungi.
tinea unguium
Etiology of yeast infections
Candida albicans
Inflammation or infection at the site of broken skin; chafing
intertrigo
Inflammation of glans penis or clitoris
balanitis
Inflammation of foreskin and glans in uncircumcised males
balanoposthitis
Infection of surrounding nail folds/cuticles
paronychia
Infection of nail matrix, loss of nail
onychia
Pseudomembranous candidiasis is AKA?
thrush
A yeast infection of the corners of the mouth.
angular cheilitis
A chronic asymptomatic scaling dermatosis associated with the overgrowth of the hyphal form of Pityrosporum ovale
tinea versicolor
A positive KOH shows:
branching hyphae
S. aureus infections involving the epidermis
impetigo
S. aureus infections involving the dermis
ecthyma
Lesions with honey-colored crusts are indicative of:
impetigo, ecthyma
A circumscribed collection of pus as a localized infection and associated with tissue destruction
abscess
A deep-seated, red tender nodule that evolves from a staphylococcal folliculitis
furuncle
A deep infection composed of interconnecting abscesses usually arising from several contiguous hair follicles
carbuncle
Glows coral-red under the wood's lamp.
erythrasma
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