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Moyamoya syndrome in sickle cell anaemia: a cause of recurrent stroke


We report a case with interesting imaging findings as well as an unfortunate but not unexpected clinical outcome. Our patient, an 8-year-old Jamaican boy of Afro-Caribbean descent with homozygous sickle cell disease, presented with left-sided upper limb weakness. He had a history of recurrent cerebrovascular accidents and transient ischaemic attacks beginning at 4 years of age. MRI revealed old bilateral infarctions and the ivy sign on fluid-attenuated inversion recovery sequences. MR angiography demonstrated numerous collaterals, most apparently arising from the left internal carotid, consistent with moyamoya syndrome. The patient had a full recovery and remained well for almost 2 years when he suffered another stroke.

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