Subdural hematoma
When they do cause problems, the incident that caused the bleeding is often long past. Symptoms include increasing daily headache, fluctuating drowsiness or confusion, and mild weakness on one side of the body. Subdural hematomas are more common in alcoholics and patients over 50 years of age. In infants, subdural hematomas can cause the fontanel to bulge and the head circumference to enlarge.
Diagnosis is usually confirmed by MRI or CT scan. Treatment is by trepanation — drilling through the skull to drain the excess blood.
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