Moyamoya disease quiz

Check your symptoms and
find possible causes with AI for free

Shohei Harase

Medically Reviewed By:

Shohei Harase, MD


Please choose the symptom you are most concerned about.

It will help us optimise further questions for you.

By starting the symptom checker, you agree to the Terms of Use.

Any other symptoms?

How Ubie can help you

With an easy 3-min questionnaire, Ubie's AI-powered system will generate a free report on possible causes.

Your symptoms

Input your symptoms

Our AI

Our AI checks your symptoms

Your report

You get your personalized report

Personalized Report

✔︎  When to see a doctor

✔︎  What causes your symptoms

✔︎  Treatment information etc.

Free. No signup needed.
Developed by doctors.

Learn more about Moyamoya disease

Content updated on 2022-06-02

What is moyamoya disease?

Moyamoya disease is a progressive disease of the artery in the brain. The constriction of these blood vessels causes blockages, which can lead to a stroke and seizures.

Symptoms related to moyamoya disease

  • Transient unilateral sensory disturbance

  • Field of vision suddenly became narrower or has blind spots

  • Transient restlessness (behavioral abnormalities)

  • Suddenly unable to walk normally for a short time

  • Sudden weakness on one side of the body that recovered

  • One side of the body (face, arms and legs) twitched or moved uncontrollably for a while

  • Headache

Questions your doctor may ask to check for moyamoya disease

Your doctor may ask these questions to diagnose moyamoya disease

  • Do you feel that your field of vision suddenly became narrower or has blind spots?

  • Were you suddenly unable to walk normally for a short time?

  • Did you have sudden weakness on one side of the body that recovered?

  • Did one side of your body (face, arms and legs) twitch or move uncontrollably for a while?

  • Do you have headaches or does your head feel heavy?

Treatment for moyamoya disease

Moyamoya disease is treated with surgery to correct the narrowed arteries in the brain. Medications may be recommend to manage some of the symptoms.

View the symptoms of Moyamoya disease


  • 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.

  • Shang 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.

  • Fujimura M, Bang OY, Kim JS. Moyamoya Disease. Front Neurol Neurosci. 2016;40:204-220. doi: 10.1159/000448314. Epub 2016 Dec 2. PMID: 27960175.

  • Huang 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.

  • Hishikawa 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.

Shohei Harase

Medically Reviewed By:

Shohei Harase, MD


in our Medical Expert Team

Free. No signup needed.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Sanshiro Kato

Sanshiro Kato, MD

Emergency department

Kawai Clinic, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

View our medical experts