Moyamoya disease with early-onset achalasia

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ORPHA:401945OMIM:615750K22.0
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Overview

Moyamoya disease with early-onset achalasia is an extremely rare condition that combines two distinct medical problems. Moyamoya disease is a condition affecting the blood vessels in the brain. In this disease, certain arteries at the base of the brain become narrowed or blocked over time. The body tries to compensate by growing tiny new blood vessels, which on imaging look like a "puff of smoke" (the Japanese meaning of "moyamoya"). This can lead to strokes, mini-strokes (called transient ischemic attacks), headaches, and seizures. Achalasia is a disorder of the esophagus — the tube that carries food from the mouth to the stomach. In achalasia, the muscles of the esophagus do not work properly, making it very difficult to swallow food and liquids. In this combined syndrome, achalasia appears unusually early in life, often during childhood, which is much younger than typical achalasia cases. The combination of these two conditions in the same person suggests a shared underlying genetic cause, though the exact gene responsible has not been fully established in all cases. Treatment focuses on managing each condition separately: surgical procedures to improve blood flow in the brain for moyamoya, and procedures or surgery to help with swallowing for achalasia. Because both conditions can worsen over time, early diagnosis and ongoing monitoring by multiple specialists are very important.

Key symptoms:

Difficulty swallowing food and liquidsRegurgitation of undigested foodChest pain or discomfort after eatingWeight loss or poor weight gain in childrenSevere headachesStroke or mini-stroke symptoms such as sudden weakness on one side of the bodySeizuresSpeech difficultiesNumbness or tingling in the face or limbsVision changesInvoluntary movementsCognitive difficulties or learning problemsFatigue

Clinical phenotype terms (8)— hover any for plain English
Moyamoya phenomenonHP:0011834Abnormal cerebral vascular morphologyHP:0100659Abnormal platelet aggregationHP:0030402Raynaud phenomenonHP:0030880
Inheritance

Autosomal recessive

Passed on when both parents carry the same gene change; often skips generations

Age of Onset

Childhood

Begins in childhood, roughly ages 1 to 12

Orphanet ↗OMIM ↗NORD ↗

Treatments

No FDA-approved treatments are currently listed for Moyamoya disease with early-onset achalasia.

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No actively recruiting trials found for Moyamoya disease with early-onset achalasia at this time.

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Search ClinicalTrials.gov ↗Join the Moyamoya disease with early-onset achalasia community →

No specialists are currently listed for Moyamoya disease with early-onset achalasia.

View NORD Rare Disease Centers ↗Undiagnosed Disease Network ↗

Treatment Centers

8 centers
🏥 NORD

Baylor College of Medicine Rare Disease Center

Baylor College of Medicine

📍 Houston, TX

🏥 NORD

Stanford Medicine Rare Disease Center

Stanford Medicine

📍 Stanford, CA

🔬 UDN

NIH Clinical Center Undiagnosed Diseases Program

National Institutes of Health

📍 Bethesda, MD

🔬 UDN

UCLA UDN Clinical Site

UCLA Health

📍 Los Angeles, CA

🔬 UDN

Baylor College of Medicine UDN Clinical Site

Baylor College of Medicine

📍 Houston, TX

🔬 UDN

Harvard/MGH UDN Clinical Site

Massachusetts General Hospital

📍 Boston, MA

🏥 NORD

Mayo Clinic Center for Individualized Medicine

Mayo Clinic

📍 Rochester, MN

👤 Mayo Clinic Center for Individualized Medicine

🏥 NORD

UCLA Rare Disease Day Program

UCLA Health

📍 Los Angeles, CA

Travel Grants

No travel grants are currently matched to Moyamoya disease with early-onset achalasia.

Search all travel grants →NORD Financial Assistance ↗

Community

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Caregiver Resources

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Questions for your doctor

Bring these to your next appointment

  • Q1.How severe is the moyamoya disease, and is surgery recommended now or should we monitor first?,What type of revascularization surgery would you recommend, and what are the risks and benefits?,What is the best treatment approach for the achalasia — dilation, surgery, or another option?,Are there any activities or situations my child should avoid to reduce stroke risk?,Should our family undergo genetic testing, and what would the results mean for other family members?,How often will my child need brain imaging and esophageal evaluations going forward?,What signs of a stroke should I watch for, and what should I do in an emergency?

Common questions about Moyamoya disease with early-onset achalasia

What is Moyamoya disease with early-onset achalasia?

Moyamoya disease with early-onset achalasia is an extremely rare condition that combines two distinct medical problems. Moyamoya disease is a condition affecting the blood vessels in the brain. In this disease, certain arteries at the base of the brain become narrowed or blocked over time. The body tries to compensate by growing tiny new blood vessels, which on imaging look like a "puff of smoke" (the Japanese meaning of "moyamoya"). This can lead to strokes, mini-strokes (called transient ischemic attacks), headaches, and seizures. Achalasia is a disorder of the esophagus — the tube that carr

How is Moyamoya disease with early-onset achalasia inherited?

Moyamoya disease with early-onset achalasia follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.

At what age does Moyamoya disease with early-onset achalasia typically begin?

Typical onset of Moyamoya disease with early-onset achalasia is childhood. Age of onset can vary across affected individuals.