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Moyamoya is a disease marked by constricted or blocked arteries at the base of the brain. Moyamoya is Japanese for "puff of smoke" and refers to the appearance of small blood vessels that form to compensate for blocked arteries.

Moyamoya can cause strokes, ministrokes (transient ischemic attacks), aneurysms, or bleeding in the brain. There are no medications that can treat the condition, but surgery can improve or restore blood flow to the brain.


Treatment and surgery for injuries, tumors or other problems of the brain, spinal column, and nervous system.
  • Facilities & Locations

We specialize in diagnosing and treating neurological conditions with a variety of surgical options for the brain, back and spine, and peripheral nerves.

  • Location & Contact Info

    190 E. Bannock St.
    (10th Floor)
    Boise, ID 83712
    (208) 381-5500

Related Conditions

  • Stroke

    Stroke occurs when a blood vessel in the brain is blocked or bursts. Brain damage can begin within minutes, so act quickly.

  • Transient Ischemic Attack

    When blood flow to part of the brain is blocked or reduced for a short time, often by a blood clot.

  • Brain Hemorrhage

    Brain bleeds or hemorrhages are a kind of stroke cause by burst arteries in the brain.