Post-traumatic subdural hygroma

Case contributed by Lawrence Josey
Diagnosis certain


Confusion 2 weeks post trauma.

Patient Data

Gender: Male

Subarachnoid hemorrhage, parafalcine subdural hemorrhages and asymmetry in the subarachnoid/subdural space overlying the left frontal lobe. Note the interpeduncular hemorrhage

CT 2 wk later increasing...


CT 2 wk later increasing confusion

There has been resolution of traumatic subarachnoid hemorrhage. Left frontal subdural CSF density collection has increased in size consistent with an enlarging post traumatic subdural hygroma. 

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