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Acute on Chronic Subdural Hematoma - Case 3

A 74 year-old man developed mild left sided weakness and difficulty walking.

Show the Acute Blood     Show the Chronic Blood     Shwo the Midline Shift

Axial CT scans. Note the crescent shape overlying and compressing the right hemisphere. There are both an acute and chronic components. On CT, acute blood is hyperintense and chronic blood is hypointense (similar to CSF). In this case, the patient likely had a previous subdural and then rebled.

Revised 05/06/06.
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