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Case 13 

Case 13
Case 13

Joel David

, Anne Miller

, Anushka Soni

, and Lyn Williamson

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date: 09 August 2020

A 12-year-old girl presented with a 4-week history of involuntary choreiform movements when walking, initially affecting her right arm, progressing to involve her left arm, legs, and subsequently her face, head, and trunk. It interfered with dressing and feeding herself. She had dysphasia and was noted to have easy bruising. There was no past medical history, but her paternal grandmother had Sydenham’s chorea as a child. She had normal cardiovascular, respiratory, and abdominal examinations, and normal eye movements and fundoscopy. She had small widespread bruises and a mottled rash on her legs (Fig. 13.1). A full blood count showed her to have a thrombocytopenia with platelets of 58 × 109/L.

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