REVIEW OF MEDICAL MICROBIOLOGY

MEDICAL MYCOLOGY

1. is caused by one specific species of fungus
2. often spreads to the subcutaneous tissues or deep-seated organs
3. should be treated with amphotericin B
4. is rarely transmitted from human to human
5. is often fatal

(D) Essentially all fungi responsible for dermatophytosis belong to these three genera: Trichophyton, Epidermophyton, and Microsporum. These fungi infect only the skin, nail, and hair and rarely infect the subcutaneous tissue or deepseated organs. The disease can be transmitted from person to person by direct contact or via fomites. Dermatophytosis is common among people who live in communities where a high standard of sanitation is difficult to maintain. Dermatophytosis is a nuisance disease and rarely threatens life itself. The most effective antibiotic is griseofulvin. Dermatophytoses of the skin may be treated with topical antibiotics such as tolnaftate, miconazole, or clotrimazole. (Joklik et al, pp. 1125-1131; Ryan et al, pp. 585-589)

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