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Patient 10. Patient 10. A, Coronal high-resolution CT scan, obtained through the sphenoid sinus, shows a defective intersphenoid septum deviated to the.

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Presentation on theme: "Patient 10. Patient 10. A, Coronal high-resolution CT scan, obtained through the sphenoid sinus, shows a defective intersphenoid septum deviated to the."— Presentation transcript:

1 Patient 10. Patient 10. A, Coronal high-resolution CT scan, obtained through the sphenoid sinus, shows a defective intersphenoid septum deviated to the left (thick arrow). The long arrow points to the defect in the anterior portion of the lateral wall of the sphenoid sinus on the left side, just inferior to the attachment of the septum. The small arrows depict arachnoid pits.B, Coronal T1-weighted (600/15/2) MR image of the brain shows brain tissue herniating through the defect (curved arrow) in the anterior portion of the lateral wall of the sphenoid sinus on the left side. The straight arrow shows the defective intersphenoid septum.C, CT cisternography scan shows the CSF tracking through the defect in the anterior portion of the lateral wall of the left sphenoid sinus into the right side (small arrows). The defective intersphenoid septum (thick arrow) is seen inserted just superior to this defect. Prashant G. Shetty et al. AJNR Am J Neuroradiol 2000;21: ©2000 by American Society of Neuroradiology

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