Basal ganglia calcification
Basal ganglia calcification is common and is seen in approximately 1% of all CT scans of the brain, depending on the demographics of the scanned population. It is seen more frequently in older patients and is considered a normal incidental and idiopathic finding in an elderly patient but should be considered pathological in persons younger than age 40 years unless proved otherwise 5.
However, there are many causes of calcification:
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