The subject of the trichophytids has become so confused, as is evident after reading the article by Scholtz,1 that it is time to formulate the knowledge and to point out which theories seem to be established and which are not.
There is a dermatitis of the feet, sometimes intertriginous, sometimes vesicular and sometimes scaly, occurring in both the acute and the chronic form, from which some type of mycotic fungus may so generally be recovered that it is reasonable to assume that the fungus is the etiologic factor. These are the cases ordinarily classified as tinea pedis. It is necessary to remember, however, that it is possible that similar lesions may be caused by other organisms.
A similar eruption occurs on the hands, and in a limited number of these cases mycotic organisms may be discovered. The proportion of cases of eruptions on the hands which yield
WILLIAMS CM. TRICHOPHYTID OF THE HANDS. Arch Derm Syphilol. 1933;27(6):973–975. doi:10.1001/archderm.1933.01450040983010
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