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Subdural Empyema

A 24 year woman with a week history of acute sinusitis presented with lethargy, headaches and weakness of the right body.

Show the Sinus Infection                        Show the Sudbural Fluid Collection

Axial T2-weighted MRI scans. Note the prominent signal in the frontal sinus, and spread of the process to the subdural space. Aspiration of the subdural collection demonstrated frankly purulent material, in this case resulting from direct spread from the frontal sinus.

Revised 04/26/06.
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