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Keratosis obturans and external auditory canal cholesteatoma (EACC) have previously been considered to represent the same disease process. However, review of the literature and our cases reveal these to be two different clinical and pathological processes. Keratosis obturans presents as hearing loss and usually acute, severe pain secondary to the accumulation of large plugs of desquamated keratin in the ear canal. External auditory canal cholesteatoma presents as otorrhea with a chronic, dull pain secondary to an invasion of squamous tissue into a localized area of periosteitis in the canal wall. The treatment previously recommended for both of these conditions has been conservative debridement of the external canal and application of topical medication. While this remains the treatment of choice for keratosis obturans, surgery may be required to eradicate EACC.

This paper examines responses to nuclear-related survey items from 1945through April, 1982, which are on file at the Roper Center for Public Opinion Research. A content analysis of the wordings of the 498 items identified a number of themes which have appeared in many items across time. These include questions about criteria for the production and use of nuclear weapons, perceptions of the nuclear arms race, and personal fears and apprehensions. Analysis of response data for a sample of the items revealed a modest increase in personal fears across time, and a sharper increase in disenchantment with both the arms race and U.S. readiness to use nuclear weapons in response to Soviet invasion of Western Europe. These trends are tentatively explained in terms of altered perceptions of the strategic balance, with the Russians now seen as having reached or even exceeded parity with the U.S. A n agenda is suggested for increasing our understanding of nuclear-related public opinion in the future. This paper examines public opinion regarding nuclear arms since 1945 in the United States. A great deal has, of course, been written on military, political, historical, and technical aspects of nuclear weapons and their We thank the

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