This study of keratoma senilis (senile keratosis) and verruca senilis (seborrheic keratosis) was undertaken because a definite, clearcut picture of the lesions could not be obtained from a review of the literature on the subject. I have attempted to show that the existing confusion with regard to these common lesions need not exist, that it is important to distinguish one lesion from the other, and that the lesions differ with respect to etiology, clinical and pathologic characteristics and prognosis.
Keratoma senilis, when fully developed, presents a typical appearance. The lesions appear as sharply circumscribed, flat, elevated or verrucous, brownish, keratotic, scaling patches. They are usually situated on the face, hands and forearms, although they occur elsewhere on the body. Men are affected more often than women, as a rule after middle age and often in association with the changes of senile atrophy. The lesions begin as small, sharply
HOOKEY JA. KERATOMA SENILIS AND VERRUCA SENILIS: A CLINICAL AND HISTOPATHOLOGIC STUDY. Arch Derm Syphilol. 1931;23(5):946–959. doi:https://doi.org/10.1001/archderm.1931.03880230122014
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