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Case Reports in Otolaryngology
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Case Reports in Otolaryngology
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2013
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Article
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Fig 3
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Case Report
Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache
Figure 3
(a) The frontal sinus enchroaching the orbit. (b) The optic nerves are exposed (arrows) in the superior part of the sphenoid sinus.
(a)
(b)