Non-Ketotic Hyperglycemic Hemichorea (NKHH), also known as Diabetic Striatopathy, is a rare neurological disorder predominantly observed in patients (mostly Asian elderly women) with uncontrolled diabetes, usually type 2. It is characterized by involuntary, irregular, and unpredictable movements, primarily affecting one side of the body (hemichorea). The condition is linked to hyperglycemia without ketosis and often involves alterations in the basal ganglia's striatum (comprising the caudate nucleus and putamen). A 49-year-old Caucasian male with a history of type 1 diabetes presented with characteristic symptoms of hemichorea. This case is particularly noteworthy given the patient's background, as NKHH predominantly affects older individuals with type 2 diabetes. Radiological Findings: CT and MRI Analysis Image 1: Initial CT and MRI The first CT scan, performed without contrast, revealed diffusely increased signal intensity in the putamen , more pronounced on the right. The su