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Sudden weakness on one side of the body that disappeared
Sudden blind spots
Twitching in one side of the body
Transient gait disturbance
Have a headache
Weak
Sudden blindness (partial)
Not seeing your symptoms? No worries!
What is Moyamoya Disease?
Moyamoya disease is a progressive condition that affects the arteries in the brain. It causes narrowing of these blood vessels, leading to blockages that can eventually result in a stroke and seizures. Women and individuals of Asian descent have a higher risk of developing moyamoya disease.
Typical Symptoms of Moyamoya Disease
- Seizure
- Weakness or paralysis on one side of your body
- Difficulty pronouncing words clearly
- One side of the body (face, arms and legs) twitched or moved uncontrollably for a while
- Sudden weakness on one side of your body
- Fainting
- Uncontrollable movements
- Field of vision suddenly became narrower or has blind spots
Diagnostic Questions for Moyamoya Disease
Your doctor may ask these questions to check for this disease:
- Have you experienced any seizures?
- Do you have weakness or paralysis on one side of your body?
- Do you have difficulty pronouncing words clearly?
- Did one side of your body twitch or move uncontrollably?
- Do you have sudden weakness on one side of your body?
Treatment of Moyamoya Disease
Moyamoya disease is treated with surgery to fix the narrowed arteries in the brain. Medications may be recommended to manage some of the symptoms.
Reviewed By:
Caroline M. Doan, DO (Internal Medicine)
Dr. Doan received a Bachelor of Science degree with honors from UCLA. Prior to obtaining her medical degree, she was involved in oncology clinical research at City of Hope, a National Cancer Institute-designated comprehensive cancer center in southern California. She attended medical school at Touro University California, and completed her residency in Internal Medicine at Oregon Health & Science University. She is certified by the American Board of Internal Medicine and holds an active medical license in several states. She currently works as a physician for Signify Health providing home-based health care.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Content updated on Mar 31, 2024
Following the Medical Content Editorial Policy
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- My body is jerking
- Twitching
- Slurred speech
- Fever seizures (with fever of >100.4°F / 38°C)
- Seizures without fever
- The first seizure
- Difficulty pronouncing words
- Repetitive seizures
- Seizure with fainting
- Seizures when I wake up
- Speech disorders
- I have a seizure that is not symmetric
- Recently had a seizure
- I am currently having convulsions lasting less than 5 minutes
- Dysarthria
See full list
Symptoms Related to Moyamoya Disease
Diseases Related to Moyamoya Disease
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Scott RM, Smith ER. Moyamoya disease and moyamoya syndrome. N Engl J Med. 2009 Mar 19;360(12):1226-37. doi: 10.1056/NEJMra0804622. PMID: 19297575.
https://www.nejm.org/doi/full/10.1056/NEJMra0804622Shang S, Zhou D, Ya J, Li S, Yang Q, Ding Y, Ji X, Meng R. Progress in moyamoya disease. Neurosurg Rev. 2020 Apr;43(2):371-382. doi: 10.1007/s10143-018-0994-5. Epub 2018 Jun 18. PMID: 29911252.
https://link.springer.com/article/10.1007/s10143-018-0994-5Fujimura M, Bang OY, Kim JS. Moyamoya Disease. Front Neurol Neurosci. 2016;40:204-220. doi: 10.1159/000448314. Epub 2016 Dec 2. PMID: 27960175.
https://www.karger.com/Article/Abstract/448314Huang S, Guo ZN, Shi M, Yang Y, Rao M. Etiology and pathogenesis of Moyamoya Disease: An update on disease prevalence. Int J Stroke. 2017 Apr;12(3):246-253. doi: 10.1177/1747493017694393. Epub 2017 Jan 1. PMID: 28381201.
https://journals.sagepub.com/doi/10.1177/1747493017694393Hishikawa T, Sugiu K, Date I. Moyamoya Disease: A Review of Clinical Research. Acta Med Okayama. 2016 Aug;70(4):229-36. doi: 10.18926/AMO/54497. PMID: 27549666.
https://ousar.lib.okayama-u.ac.jp/en/54497