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February 1931


Author Affiliations


Arch Derm Syphilol. 1931;23(2):238-244. doi:10.1001/archderm.1931.03880200028003

The subject may seem trifling, but it is nevertheless full of interest, and furthermore, the physician must always bear in mind that for the patient there are no trifles.

JUVENILE OR FLAT WARTS, OR VERRUCAE PLANAE  Juvenile or flat warts, or verrucae planae, sometimes also called "shaving warts," consist at first exclusively of an increase in the upper layers of the epidermis. Later the lower epithelial layers become thickened and the papillae elongate upward, but the lesion nevertheless remains a superficial one, a true acanthoma. This superficiality is an important feature, because when the lesion is curetted off, the raw surface lies flush with the rest of the skin, and on healing no scar results. The sprouting up of the papillae, however, causes free bleeding as the capillary loops are injured. This bleeding need not alarm one for the future, as the papillae retract, leaving no scar.The treatment is