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Article
October 1935

DIFFERENTIATION OF SHARPLY OUTLINED ECZEMATOID PATCHES

Author Affiliations

SAN FRANCISCO

Arch Derm Syphilol. 1935;32(4):605-615. doi:10.1001/archderm.1935.01470040062012
Abstract

The classic patch of eczema is vague in outline. There are, however, numerous eczematoid eruptions which are sharply defined and often difficult to classify.

Some of these patches are sharply outlined from the onset; others, originally of indistinct limitation, become cleancut. For the constancy or the variability of form a plausible explanation may be found in some cases; in others one can only surmise. For example, an indistinct patch of eczema becomes transformed into a marginate plaque; it is certain that in some of these cases there has been either a bacterial or a fungous invasion. Conversely, a definitely microbic lesion becomes indistinct in outline; here the French nomenclature is helpful—the lesion may be said to be eczematized. Again to a zone of infection may be added an eczematous element which may be characterized by sharp borders; to this condition the term infectious eczematoid dermatitis is applied. These are changes

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