Various types of yeastlike organisms are often encountered in swab preparations from the mouth and nasopharynx. These are usually few in number compared to the bacterial flora and are given little notice in general laboratory routine examinations. As a rule they are considered entirely saprophytic, or of a transitory nature, unless they appear in extremely large numbers. Those engaged in dental work occasionally record brownish black patches which are composed of yeastlike bodies on the tongue. Some of these respond readily, some slowly, to treatment; but very little further investigation has been attempted to determine to what extent these may be considered pathogenic. That these yeastlike structures may become sufficiently invasive to cause the production of antibodies has been demonstrated in the following case, which recently came under observation:
REPORT OF CASE
—J. H. W., a man aged about 30, was referred to the laboratory by a local physician
ALVAREZ RS. A RED TORULA AS THE CAUSE OF A TONGUE ABNORMALITY. JAMA. 1926;87(17):1358–1359. doi:10.1001/jama.1926.02680170012004
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