DERMATOMYCOSES Flashcards
Infection of the scalp, eyebrows and eyelashes which varies
from a benign, scaly, noninflamed, subclinical colonization to an
inflammatory disease characterized by the production of scaly
erythematous lesions and alopecia with formation of deep,
ulcerative kerion eruptions. This often results in scarring and
permanent alopecia
“Grey patch ringworm”
“Black dot” ringworm
Infected hairs will fluoresce yellow-green under Wood’s U. V. lamp
common in US
Tinea capitis
ringworm of the scalp
(Microsporum audounii (epidemic); M. canis (from pets) is what type of Tinea capitis infection?
grey patch
(Tricophyton tonsurans (non-epidemic); other: T. rubrum, T.
mentagrophytes is what type of Tinea capitis infection?
Black dot
cup-shaped crusts called “scutula.”
Permanent alopecia is a complication of severe
disease. Favus is rare in North America but there are scattered endemic foci
Common etiologic agent: Trichophyton schoenleinii
Tinea favosa (favus)
This infection, generally restricted to the
stratum corneum of the epidermis
The center of the lesions heal spontaneously
Common etiologic agents:
Microsporum canis,
Trichophyton rubrum,
Trichophyton mentagrophytes
Tinea corporis
dermatophyte infection of the groin, perineum and perianal region
Common etiologic agent:
Epidermophyton floccosum
Tinea cruris
Invasion of the nail plates by dermatophytes
Common etiologic agents:
Trichophyton rubrum;
Trichophyton mentagrophytes;
Epidermophyton floccosum
Tinea unguium
ringworm of the nail
An infection of the bearded areas of the
face and neck
Common etiologic agents: Trichophyton
mentagrophytes; Trichophyton verrucosum
(cows)
Tinea barbae
A dermatophyte infection of the hand,
particularly the dorsal aspect, involving
interdigital and palmar surfaces
Common etiologic agents:
Trichophyton rubrum;
Trichophyton mentagrophytes
Tinea mannum
Intertriginous type
Chronic papulosquamous hyperkeratotic type
Vesicular type
Acute ulcerative type
Common etiologic agents: Trichophyton rubrum; Trichophyton
mentagrophytes; Epidermophyton floccosum
Tinea pedis
chronic dermatitis with peeling maceration and fissuring of the skin. Beneath dead, white epidermis there is erythema and weeping. Often a foul
odor is noted.
Intertriginous type
a very persistent and difficult to treat condition characterized by areas of pink skin, covered with fine silvery-white scales
which may involve the entire foot “moccasin foot.”
Chronic papulosquamous hyperkeratotic type
characterized by the appearance of
vesicles, vesiculopapules and sometimes bullae. Vesicles contain a serous exudate. Fungi are located on the inner top of the vesicle roof. This form is most often responsible for the “id” reaction on other areas of the body.
Vesicular type
