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In our recent article on "Dermatosis Papulosa Nigra" (Arch. Dermat. & Syph.20:629 [Nov.] 1929), we called attention on two occasions (pp. 633 and 637) to the similarity of the histologic picture of senile keratosis and dermatosis papulosa nigra. This was a mistake. We really meant verruca senilis instead of keratoma senile as we have recognized the distinction between these disorders since the article of Freudenthal (Arch. f. Dermat. n. Syph.152:505, 1926). Old teaching did not clearly distinguish between keratoma senile and verruca senilis, but we believe that we should do so now.
Michael JC, Seale ER. CORRECTION. Arch Derm Syphilol. 1930;21(2):295. doi:10.1001/archderm.1930.01440080135016