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Acoustic pharyngometry has the potential for localizing such sites, however, standardizing the operating technique and producing a standard normal curve is a prerequisite before exploring the potential of this equipment. A total number of 350\u00a0normal volunteers (271\u00a0males and 79 females) were examined by acoustic pharyngometry and a coefficient of variance of 5% to 7% was obtained from each of them. Mean and standard deviation of pharyngeal area at each point of X\u2010axis (distance) was obtained and analyzed statistically to produce a general standard curve. Using special techniques during examination, the oropharyngeal junction and glottis were located, and thus a mapped acoustic pharyngogram was produced. Mean pharyngeal area was 3.194\u00a0cm<jats:sup>2<\/jats:sup> in males (SD 0.311) and 2.814\u00a0cm<jats:sup>2<\/jats:sup> in females (SD 0.331). Mean glottic area was 1.06\u00a0cm<jats:sup>2<\/jats:sup> in males (SD 0.119) and 0.936\u00a0cm<jats:sup>2<\/jats:sup> in females (SD 0.108). A minimal pharyngeal area is probably needed as a \u201cgolden standard\u201d to evaluate patients with obstructive sleep apnea.<\/jats:p>","DOI":"10.1067\/mhn.2001.113136","type":"journal-article","created":{"date-parts":[[2003,2,4]],"date-time":"2003-02-04T21:49:09Z","timestamp":1044395349000},"page":"323-330","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Normal Standard Curve for Acoustic Pharyngometry"],"prefix":"10.1002","volume":"124","author":[{"given":"Kamal","family":"Ibrahim","sequence":"first","affiliation":[{"name":"ENT Department Police Authority Hospital Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,9]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm\/146.6.1394"},{"key":"e_1_2_6_3_1","first-page":"67","article-title":"Obstructive sleep apnea syndrome: Pathophysiology, upper airway evaluation and surgical treatment","volume":"72","author":"Fujita S","year":"1993","journal-title":"ENT journal"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1986.61.3.890"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-2273.1997.00063.x"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-198811000-00001"},{"key":"e_1_2_6_7_1","doi-asserted-by":"crossref","unstructured":"MochozukiT OkamotoM SanoH et al.Cephalometric analysis in patients with obstructive sleep apnea syndrome.Acta Otolaryngol (Stockh)1996; 524Supple:64\u201372.","DOI":"10.3109\/00016489609124351"},{"key":"e_1_2_6_8_1","first-page":"355","article-title":"Upper airway morphology in patients with idiopathic obstructive sleep apnea","volume":"129","author":"Rivlin J","year":"1984","journal-title":"Am Rev Respir Dis"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-198512000-00009"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.3109\/00016489409126106"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0030-6665(05)70099-2"},{"key":"e_1_2_6_12_1","first-page":"392","article-title":"Airway area by acoustic response measurements and computerized tomography","volume":"125","author":"D'Urzo AD","year":"1987","journal-title":"Am Rev Respir Dis"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1989.66.6.2901"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/14\/2\/007"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1980.48.5.749"},{"key":"e_1_2_6_16_1","unstructured":"E. 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