STA-MCA bypass surgery illustrations © Stanford School of Medicine – Department of Neurosurgery. Unauthorized use, distribution and duplication of below illustrations are prohibited.

A branch of a main scalp artery (superficial temporal artery, or STA) is sewn to a branch of a brain artery (middle cerebral artery, or MCA) lying on the brain's surface in order to provide an immediate improvement in blood flow.

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Moyamoya Center

The Stanford Moyamoya Center is the largest moyamoya referral center in the world. Our experienced professionals work hard to ensure our patients live full, healthy lives.
Stanford Neuroscience Health Center
213 Quarry Road
Palo Alto, CA 94304
Phone: 650-723-5575
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