Tumors occupying supratentorial regions, and basal ganglia (Meningiomas > Gliomas > other types of tumors). Rarely, vascular space-occupying lesions may be present.
MRI/CT to detect the site and the type of lesion, and its associated findings (mass effects and edema).
Compression and shearing of nigrostriatal pathways due to mass effects.
Parkinsonian features with resting tremor. Rare. Occurs in adults. Cerebral aneurysms and hematomas present in an acute manner.