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piriform |
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piriform [′pir·ə‚fȯrm] (mathematics) A plane curve whose equation in cartesian coordinatesxandyisy2= ax3-bx4, whereaandbare constants. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The pouch opens into the pharynx in the region of the piriform sinus. A swallowed foreign body can become embedded in the tonsil, base of the tongue, piriform fossae, or any area of the upper esophagus. We present the case of a 62-year-old man who presented with dysphagia, odynophagia, and dysphonia and who was found on computed tomography (CT) to have a mass in his piriform sinus. |
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