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Moyamoya Disease

Moyamoya Disease: Introduction

Moyamoya Disease: Moyamoya disease is a rare, progressive cerebrovascular disorder characterized by the narrowing or occlusion of major blood vessels leading into ... more about Moyamoya Disease.

Moyamoya Disease: Brain blood vessel disorder. More detailed information about the symptoms, causes, and treatments of Moyamoya Disease is available below.

Symptoms of Moyamoya Disease

Treatments for Moyamoya Disease

Home Diagnostic Testing

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Wrongly Diagnosed with Moyamoya Disease?

Moyamoya Disease: Related Patient Stories

Types of Moyamoya Disease

  • Familial moyamoya disease - a genetic form of the condition.
  • more types...»

Diagnostic Tests for Moyamoya Disease

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Moyamoya Disease: Complications

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Causes of Moyamoya Disease

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Disease Topics Related To Moyamoya Disease

Research the causes of these diseases that are similar to, or related to, Moyamoya Disease:

Moyamoya Disease: Undiagnosed Conditions

Commonly undiagnosed diseases in related medical categories:

Misdiagnosis and Moyamoya Disease

Undiagnosed stroke leads to misdiagnosed aphasia: BBC News UK reported on a man who had been institutionalized and treated for mental illness because he suffered from sudden inability to speak. This...read more »

Alzheimer's disease over-diagnosed: The well-known disease of Alzheimer's disease is often over-diagnosed. Patients tend to assume that any memory loss or forgetulness...read more »

Dementia may be a drug interaction: A common scenario in aged care is for a patient to show mental decline to dementia. Whereas this can, of course, occur due to various medical...read more »

Tremor need not be Parkinson's disease: There is the tendency to believe that any tremor symptom, or shakiness, means Parkinson's disease. The reality is that there are various possibilities, such as benign...read more »

Mild traumatic brain injury often remains undiagnosed: Although the symptoms of severe brain injury are hard to miss, it is less clear for milder injuries, or even...read more »

MTBI misdiagnosed as balance problem: When a person has symptoms such as vertigo or dizziness, a diagnosis of brain injury may go overlooked. This is particularly true of mild traumatic brain injury (MTBI), for which...read more »

Rare diseases misdiagnosed as Parkinson's disease: A rare genetic disorder is often misdiagnosed as Parkinson's disease for men in their 50's. The disease Fragile X...read more »

Brain pressure condition often misdiagnosed as dementia: A condition that results from an excessive pressure of CSF within the brain is often...read more »

Post-concussive brain injury often misdiagnosed: A study found that soldiers who had suffered a concussive injury in battle often were misdiagnosed on...read more »

Children with migraine often misdiagnosed: A migraine often fails to be correctly diagnosed in pediatric patients. These patients are not the typical migraine sufferers,...read more »

Moyamoya Disease: Research Doctors & Specialists

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Hospitals & Clinics: Moyamoya Disease

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Choosing the Best Hospital: More general information, not necessarily in relation to Moyamoya Disease, on hospital performance and surgical care quality:

Moyamoya Disease: Rare Types

Rare types of diseases and disorders in related medical categories:

Evidence Based Medicine Research for Moyamoya Disease

Medical research articles related to Moyamoya Disease include:

Click here to find more evidence-based articles on the TRIP Database

Moyamoya Disease: Animations

Prognosis for Moyamoya Disease

Prognosis for Moyamoya Disease: Poor. Progressive mental deterioration. Stroke and death.

Research about Moyamoya Disease

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Statistics for Moyamoya Disease

Moyamoya Disease: Broader Related Topics

Moyamoya Disease Message Boards

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User Interactive Forums

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Article Excerpts about Moyamoya Disease

Moyamoya disease is a rare, progressive cerebrovascular disorder characterized by the narrowing or occlusion of major blood vessels leading into the brain, and the formation of abnormal blood vessels called moyamoya vessels. First described in Japan in the 1960ís, the disease has since been found in the United States, Europe, Australia, and Africa. (Source: excerpt from NINDS Moyamoya Disease Information Page: NINDS)

Definitions of Moyamoya Disease:

A chronic cerebral vasculopathy primarily occurring in childhood and characterized by slowly progressive carotid artery narrowing and occlusion at the base of the brain. An extensive network of anastomoses forms between branches of the carotid arteries, resulting in a characteristic angiographic appearance. The condition may be idiopathic (classic moyamoya disease) or occur in association with ANEMIA, SICKLE CELL; DOWN SYNDROME; CRANIOCEREBRAL TRAUMA; RADIOTHERAPY induced arterial injury; NEUROFIBROMATOSIS; and other diseases. Clinical manifestations include hemiparesis, headache, seizures, and delayed mental development. In older individuals, this disease may present as SUBARACHNOID HEMORRHAGE. (From Adams et al., Principles of Neurology, 6th ed, p831; Clin Neurol Neurosurg 1997 Oct;99 Suppl 2:S36-8) - (Source - Diseases Database)

Moyamoya Disease is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Moyamoya Disease, or a subtype of Moyamoya Disease, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Moyamoya Disease as a "rare disease".
Source - Orphanet

 

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