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August 25, 1951

COLLECTING SPECIMENS FOR THE LABORATORY DEMONSTRATION AND ISOLATION OF FUNGI

Author Affiliations

From the Laboratory Services, Communicable Disease Center, Public Health Service, Federal Security Agency.

JAMA. 1951;146(17):1581-1583. doi:10.1001/jama.1951.03670170035008

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Abstract

Clinical laboratory procedures in medical mycology are directed toward the demonstration and isolation of pathogenic fungi occurring in body tissues and fluids. The diagnostic laboratory, however, cannot function unless adequate specimens, properly collected and handled, are received.

This paper has been prepared to assist clinicians in the collection of appropriate specimens from patients suspected of having mycotic infection. In general, the procedures involved are simple, and no elaborate equipment is required.

The types of specimens needed to demonstrate these fungi and to isolate them from clinical materials will be described for the following groups of fungus infections and for each specific disease.

SUPERFICIAL MYCOSES  These are fungus infections confined to the outermost layer of the skin and hair. The diseases included in this category are (1) erythrasma, (2) piedra, (3) tinea nigra, (4) tinea versicolor and (5) trichomycosis axillaris.The mycotic nature of erythrasma, tinea nigra and tinea versicolor is

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