Ann Oto Rhinol Laryn
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A 58-year-old man was evaluated for a 42-year complaint of a pharyngeal foreign body sensation whenever he ate. Examination revealed normal anatomy at rest but diffuse hypopharyngeal distension with Valsalva's maneuver. His past history was remarkable for an infectious illness, possibly diphtheria. We speculate that this unusual case most likely represents a postdiphtheritic selective pharyngeal paralysis and present his case, radiographic findings, and a discussion of the differential diagnosis.
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Stroboscopic evaluation for the analysis of laryngeal function and disease has been reemphasized recently and its routine clinical use recommended. Many have found, however, that it is not always possible to obtain consistently satisfactory video images of stroboscopic laryngoscopy. ⋯ The cameras included 1) single tube camera, 2) single chip metal oxide semiconductors (MOS) solid-state camera, 3) single chip charge-coupled devices (CCD) solid-state camera, 4) three-tube camera, and 5) three-chip CCD camera. Currently available video cameras and their adaptability for stroboscopic videolaryngoscopy are discussed.