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Contribution of the medial orbital floor to endoscopic orbital decompression
Author(s) -
J. M. Swartz,
Erik K Weitzel,
Kevin C. McMains
Publication year - 2011
Publication title -
rhinology (amsterdam. online)/rhinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.275
H-Index - 57
eISSN - 1996-8604
pISSN - 0300-0729
DOI - 10.4193/rhino09.185
Subject(s) - medicine , decompression , medial wall , anatomy , apex (geometry) , dissection (medical) , surgery
PROBLEM: This study explores contribution of the orbital floor to mechanical outcomes of orbital decompressions. METHOD OF STUDY: Endoscopic medial wall orbital decompressions with and without extensive medial orbital floor removal (OFR) were performed on opposite sides of ten thawed fresh-frozen cadaver heads Bone removal was compared on pre- and post-dissection CT scans and after orbital exenteration. RESULTS: Bony removal in the anterior orbital apex was significantly better after OFR (117 vs 66, p 60% more orbital bone and an additional 51 of orbital apex bone. Extensive endoscopic removal of the mid-portion of the medial orbital floor results in bone loss beneath the globe itself.

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