Unlabelled: Moyamoya disease is a rare, progressive disease of the vessels diagnosed according to characteristic abnormalities of brain arteries in the angiography. The incidence of moyamoya disease in Europe is lower than in Asia and its clinical course in European population is probably different from Asiatic (older age of onset and rare incidence of hemorrhagic strokes).
Case Reports: Two young patients were diagnosed as moyamoya disease on the basis of clinical symptoms (ischaemic stroke) and results of brain vessels' angiography, which documented an occlusion of both internal carotid arteries above branching-off the ocular arteries in the first patient and stenosis of distal internal carotid arteries and proximal medial and anterior cerebral arteries in the second one. Both patients are under control of the Neurological Outpatient Department and their neurological state is stable.
Conclusions: Despite that moyamoya disease is a rare cause of ischaemic stroke, it should be always considered as one of etiologic factors, especially in young patients.
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