| Mapping the frontal sinus ostia using virtual endoscopy. | |
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MedLine Citation:
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PMID: 22865485 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES/HYPOTHESIS: To determine the relative location of the frontal sinus opening to other frontal cells using virtual endoscopy; and to assess whether the relative location of the frontal sinus ostium can be predicted. STUDY DESIGN: Retrospective analysis of high-resolution computed tomography scans from 50 adult patients without frontal sinus disease or previous sinus surgery. METHODS: Using virtual endoscopy software, 100 frontal recesses were mapped for the presence and relative position of the frontal sinus ostium to the following cells: agger nasi (ANC); frontal bullar; frontal types 1, 2, and 3; supraorbital ethmoid; suprabullar; and intersinus septal cells. RESULTS: ANC and frontal type 3 cells were present in 92% and 45% of frontal recesses, respectively. All other cell types had a prevalence of ≤25%. Fifty percent of recesses had two rows of ostia anterior to posterior (AP), and the frontal opening was anterior in 52%. When there were three rows of cells AP (39%), the frontal opening was in the center in 64% of cases. Thirty-five percent of recesses had two rows of ostia medial to lateral (ML), and the frontal opening was medial 80% of the time. When there were three rows of openings ML (45%), the frontal opening was in the center 56% of the time. CONCLUSIONS: The frontal sinus recess is variable and complex. Virtual endoscopy can be used to analyze the frontal recess and assist in presurgical planning. Although there is variability in the ostial configuration present in the frontal recess, the probable position of the frontal sinus ostium can be predicted. Laryngoscope, 2012. |
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Authors:
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Amy C Dearking; John F Pallanch |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-8-2 |
Journal Detail:
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Title: The Laryngoscope Volume: - ISSN: 1531-4995 ISO Abbreviation: Laryngoscope Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-8-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8607378 Medline TA: Laryngoscope Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 The American Laryngological, Rhinological, and Otological Society, Inc. |
Affiliation:
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Department of Otorhinolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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