Patient Data
Age: 90 years
Gender: Female
From the case:
Hyperacute subdural haematoma
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A non-contrast CT scan demonstrates a right parieto-occipital scalp haematoma.
A thin right parieto-occipital subdural collection isodense to the cortex. Given that the patient fell and hit her head 45 minutes ago, this suggests that this could be a hyperacute subdural haematoma.
The scan was otherwise unremarkable.
A follow-up CT scan was recommended after 12 hours.
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A follow-up non-contrast CT of the brain after 12 hours demonstrates a small right acute subdural parieto-occipital haematoma and layering of the haematoma on the right tentorium.
Case Discussion
This case demonstrates how a thin, hyperacute subdural haematoma can be easily missed because it is isodense to the cortex.
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