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Corticosteroid induced hyperosmolar hyperglycaemic state and hemiballismus
Krishna Chinthapalli1, Allison Newey2, Martin Krause3
1Department of Neurology , Royal North Shore Hospital , St Leonards, NSW , Australia.
Abstract:
We present an 89-year-old man with new onset of left-sided hemiballismus affecting his face, arm and leg. He was found to have hyperglycaemia with a glucose level of 20.2 mmol/l and had started prednisolone 3 months earlier for polymyalgia rheumatica. A T 2-weighted magnetic resonance scan of the brain showed a hypointense lesion of the right lentiform nucleus. At follow-up, his symptoms had improved with treatment for diabetes mellitus. To our knowledge, this is the first patient to develop hemiballismus after starting corticosteroids.
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