Extension of the frontal sinus into the roof of the optic canal: a cadaveric case report |
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Authors: | H. Wechalekar |
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Affiliation: | 1.Division of Health Sciences,University of South Australia,Adelaide,Australia |
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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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