Subarachnoid hemorrhage

Case contributed by David Cuete

Presentation

Disorientation, headache of sudden onset.

Patient Data

Age: 80 years
Gender: Female
ct

CT image shows diffuse subarachnoid hemorrhage in all basal cisterns, bilateral sylvian fissures and inter-hemispheric fissure with a component of left subdural hematoma.

CT brain - Patient was scanned 5 days after.

ct

Control CT  5 days after shows partial absorption of the subarachnoid hemorrhage with a decrease in attenuation coefficient compared to the first study.

Case Discussion

This case shows a subarachnoid hemorrhage with a subdural hemorrhage component. We see a favorable evolution with reabsorption of the hemorrhage and without signs of complications. 

In the evolution of intracranial hemorrhage on computed tomography, we expect a decrease of the blood density of 1.5 HU per day.

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