Emergency #38

51-year-old female:

– Known with hypertension.
– Presents with hemiballism right.

What do you see?

Infarct? Other pathology?

Click here to see the answer

– Unilateral hyperdense caudate nucleus, globus pallidus, and putamen
– Dx: Non-ketotic hyperglycemic hemichorea
– Key message: Basal Ganglia are a known site for metabolic- and toxic-related pathology, as is the diffuse cortical grey matter
– Key message: Usually bilateral changes in BG indicate toxic or metabolic pathology, but do not forget this in your differential diagnosis if you only see unilateral pathology!
– This woman was not known with diabetes, but the radiologist suggested it

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