Article Figures & Data
Figures
- fig 1.
Orbital entry. A, Axial CT soft-tissue window image obtained from a 48-year-old woman with a basilar-tip aneurysm shows violation of the right lateral orbital wall (arrow).
B, The CT scan of the same patient filmed in bone windows shows displacement of the lateral orbital bone fragment (arrow), medial into the orbit.
- fig 2.
Sinus entry. A and B, These axial CT images filmed in bone windows are from a 56-year-old with an anterior communicating artery aneurysm who had extensive pneumatiztion of the frontal sinus and thick calvarium. Owing to frontal sinus entry during a right pterional craniotomy, the patient required frontal sinus mucosal exenteration with antibiotic-laden gelfoam (arrows) placed in the sinus. A pericranial graft over the entrance of the frontal sinus was also required
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