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Extension of the frontal sinus into the roof of the optic canal: a cadaveric case report

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Abstract

This case reports a bilateral asymmetrical posterior extension of the frontal sinuses into the orbital roof with an unusual expansion into the roof of the optic canal in a 55-year-old male cadaver. The posterior extensions of the sinus were lined by mucoperiosteum and were separated from the underlying orbital contents and optic nerve by a thin plate of bone. This knowledge of an unusual anatomic variation of the frontal sinus may help understand better the ocular and intracranial complications associated with frontal sinus pathologies.

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  1. Division of Health Sciences, University of South Australia, City East Campus, Adelaide, SA, 5000, Australia

    H. Wechalekar

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Wechalekar, H. Extension of the frontal sinus into the roof of the optic canal: a cadaveric case report. Surg Radiol Anat 38, 609–613 (2016). https://doi.org/10.1007/s00276-015-1560-2

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  • DOI: https://doi.org/10.1007/s00276-015-1560-2

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