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September 1, 1923


Author Affiliations

Portland, Ore. Professor of Anatomy, University of Oregon Medical School

JAMA. 1923;81(9):772. doi:10.1001/jama.1923.02650090070034

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To the Editor:  —From personal experience, I wish to warn both the microscope user and the microscope manufacturer of the danger of the projecting corrugated rim of the ordinary microscopic eyepiece as an agent for producing an epithelioma in the region of the orbit. This applies especially to the binocular microscope, in which it is almost impossible to look through the microscope without scraping a piece of nasal epithelium with the eyepiece. Can any other procedure, if repeated day after day for year after year, be any more favorable for the production of an epithelioma on the side of the nose?

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