Subdural and Epidural Hematomas by Josh

Minor Subdural Hematomas

Minor Subdural Hematomas CT showing a subdural hematoma in the anterior portion of the skull and soft tissue swelling on the left posterolateral surface. T1 weighted MRI showing an older subdural hematoma on the left and a newer one on the right. Over time, the composition of blood more closely resembles water, making it darker with time on T1 and brighter with time on T2 MRIs.

Major Subdural Hematomas Can you identify the margins of the hematoma? What type of herniation do you see here? What type of herniation do you see here?

Major Subdural Hematomas The short arrows show the margins of the bleed. The significant midline shift is causing trapping of the ventricles with CSF seepage (long arrow). Subfalcine herniation. Uncal herniation.

Epidural Hematomas Appreciate the characteristic biconvex nature of epidural hematomas.