abnormal mri brain Intracranial Empyema

Abnormal mri brain Subdural empyema l

Ø collection of pus between dura and leptomeninges

Øas a complication of meningitis, paranasal sinusitis, otitis media, osteomyelitis, or a penetrating wound of the skull

Ø Frontal sinusitis is the most common cause

Ø Route: retrograde fashion through a dural sinus or through bridging veins

Ø even when small, usually cause focal neurologic deficits

Ø considered a neuro-surgical emergency because of its progressive clinical course.

ØDespite recent improvement in surgical technique and antibiotics, mortality remains high (25% to 40%).

ØComplications :venous thrombosis and infarction

hypodense or isodense crescentic or lenticular area adjacent to the inner table of the skull CECT and enhancement of the medial rim may be seen

abnormal mri brain, Enhancement of the margin of the empyema is characteristic better visualized with MRI than with CT

Abnormal mri brain of the empyema

Radiology Imaging