A 24 year-old woman with acute sinusitis for a week presented with lethargy, headaches and weakness of the right side. Sinusitis and Subdural Empyema: (Left and middle) T1-weighted axial MRIs; (Right) ...

(d) Coronal MRI scan through the orbits to show the encephalocoele and extensive cerebritis/abscess formation. (e) Saggittal MRI of the spine showing an intraspinal subdural empyema (arrowheads).

Subdural hematomas are recognized by their crescent shape overlying and compressing the brain. They are arbitrarily divided into three types: acute (< 4 days), subacute (4-21 days) and chronic (> 21 ...

High-resolution CT of the temporal bone showed right otomastoiditis with suspected mastoid cortical breach. Contrast-enhanced MRI was performed and revealed a bony defect in the mastoid cortex with ...