Ostiomeatal complex narrowing due to anatomical variations
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Some ostiometal complex anatomical variations, which do not characterise disease by itself, can promote narrowing and even obstruction 1:
- concha bullosa ~10% (range 4-15%) - aerated middle turbinate
- intralamellar cell - air cell within vertical portion of middle turbinate
- oversized ethmoid bulla (Agger nasi cells)
- Haller cells (infraorbital cells)
- uncinate process bullae
- deviation of uncinate process
- deviated nasal septum
- paradoxical middle turbinate - convexity of turbinate directed toward lateral nasal wall 1
-<li>oversized ethmoid bulla (<a href="/articles/agger-nasi-cells">Agger nasi cells</a>)</li>- +<li>oversized ethmoid bulla (<a title="Agger nasi cells" href="/articles/agger-nasi-cells">Agger nasi cells</a>)</li>
-<li><a title="Deviated nasal septum" href="/articles/deviated-nasal-septum">deviated nasal septum</a></li>- +<li><a href="/articles/deviated-nasal-septum">deviated nasal septum</a></li>
References changed:
- 1. Wolfgang Dähnert. Radiology Review Manual. (2002) ISBN: 0781738954 - <a href="http://books.google.com/books?vid=ISBN0781738954">Google Books</a>
- 1- Dähnert W. Radiology Review Manual. Philadelphia : Lippincott Williams & Wilkins, c2003. (2003) ISBN:0781738954. <a href="http://books.google.com/books?vid=ISBN0781738954">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/0781738954?ie=UTF8&tag=radiopaediaor-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=0781738954">Find it at Amazon</a><div class="ref_v2"></div>
Images Changes:
Image 1 CT (non-contrast) ( update )
Caption
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Case 1: paradoxical middle turbinate
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