dermatophytes
have been identified among human pathogens. 1
The transmission of dermatophytoses or tineas
occurs by direct contact with infected animals and
humans or by indirect contact with contaminated
fomites. The clinical forms vary according to the etiologic
agent (species) and the anatomical site involved.
Symptoms may be mild or severe based on the host’s
immunologic condition, and invasion of subcutaneous
tissues or internal organs normally does not
occur. Typical lesions of skin infection are circular,
erythematous and pruritic, and are the result of direct
action of the fungus or hypersensitivity reactions to
the microorganism and/or its metabolic products. In
nail infections (onychomycosis) the nail may separate
from its bed, may become thick and have white spots
or even become distrophic. 2 Although infections by
dermatophytes are usually restricted to the superficial
epidermis, these fungi may be invasive and cause a
severe and disseminated infection in immunocompromised
patients, with the development of dermatophytic
granulomas. 3
dermatophyteshave been identified among human pathogens. 1The transmission of dermatophytoses or tineasoccurs by direct contact with infected animals andhumans or by indirect contact with contaminatedfomites. The clinical forms vary according to the etiologicagent (species) and the anatomical site involved.Symptoms may be mild or severe based on the host’simmunologic condition, and invasion of subcutaneoustissues or internal organs normally does notoccur. Typical lesions of skin infection are circular,erythematous and pruritic, and are the result of directaction of the fungus or hypersensitivity reactions tothe microorganism and/or its metabolic products. Innail infections (onychomycosis) the nail may separatefrom its bed, may become thick and have white spotsor even become distrophic. 2 Although infections bydermatophytes are usually restricted to the superficialepidermis, these fungi may be invasive and cause asevere and disseminated infection in immunocompromisedpatients, with the development of dermatophyticgranulomas. 3
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