MOYAMOYA DISEASE

Moyamoya disease is a rare cerebrovascular condition of uncertain aeti ology commonly affecting young persons. The disease is mainly seen in Japanese patients. We report two cases of moyamoya disease in Caucasia n women and review the postulated aetiological factors and associated conditions as well as the spectrum of invasive and non-invasive imagin g modalities useful in the diagnosis and follow-up of the disease, wit h particular reference to the developing role of magnetic resonance im aging and angiography.