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The Location of Maxillary Sinus Ostium and Its Clinical Application

  • L. C. PrasannaEmail author
  • H. Mamatha
Original Article

Abstract

The endoscopic sinus surgeons must have a detailed knowledge of inconsistent location of maxillary sinus openings in any interventional maxillary sinus surgeries as it relates to the orbital floor, ethmoid infundibulum and the nasolacrimal duct. Forty cadaver head and neck specimens had been cut sagittally through the nose, such that the lateral nasal wall had been preserved. The findings were documented with an emphasis on location of the maxillary sinus openings. In the present study maxillary sinus ostium opened more commonly into posterior third of the hiatus semilunaris. Accessory maxillary ostium was another variation seen in nearly three-fourths of the cases which opened into membranous meatus inferior to the uncinate process.

Keywords

Accessory maxillary ostium Maxillary os Maxillary sinus Ostiomeatal unit 

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Copyright information

© Association of Otolaryngologists of India 2010

Authors and Affiliations

  1. 1.Department of AnatomyJ.J.M. Medical CollegeDavangereIndia
  2. 2.Department of AnatomyKasturba Medical CollegeManipalIndia

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