MRI - MRI carried out as part of...
T1
T2
FLAIR
What are the causes for basal ganglia appearing bright on T1w imaging?
Deposition of paramagnetic substances (haemorrhage, Wilson disease, i.e. copper, Long term parenteral nutrition [manganese]); calcification may be T1 hyperintense depending on crystal structure; hamartomas (NF1); indeterminate (chronic liver disease with porto-caval shunt) List from Chapman&Nakielny, 5th ed.
MRI carried out as part of investigation for headaches
There is subtle, but definite increased T1 signal in the deep grey nuclei bliaterally.
Marked mucosal sinus disease in the right maxillary antrum.
No other cause for headached indentified.