What Is Moyamoya Disease?

By james
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2. Causes

It is not understood what causes moyamoya. However, that it tends to be found in certain parts of the world suggests that the cause lies in genetics. It is most likely to be found in people in China, Japan, and Korea. Moyamoya has also been linked with some other medical conditions.

One condition associated with moyamoya is Down’s syndrome; a well-known condition that causes physical and mental development issues. Another is sickle cell anemia, which affects the red blood cells, and hyperthyroidism, which causes the thyroid gland to release more hormones than usual. Neurofibromatosis type 1, which causes tumors to grow on nerves, is also linked with moyamoya.

Moyamoya Disease

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