Have a symptom?
See what questions
a doctor would ask.


Megalencephaly: Introduction

Megalencephaly: Megalencephaly, also called macrencephaly, is a condition in which there is an abnormally large, heavy, and usually malfunctioning brain. By definition, ... more about Megalencephaly.

Megalencephaly: Abnormally large brain. More detailed information about the symptoms, causes, and treatments of Megalencephaly is available below.

Symptoms of Megalencephaly

Treatments for Megalencephaly

Home Diagnostic Testing

Home medical testing related to Megalencephaly:

Wrongly Diagnosed with Megalencephaly?

Megalencephaly: Related Patient Stories

Types of Megalencephaly

  • Unilateral megalencephaly (hemimegalencephaly) - one-sided expansion.
  • more types...»

Causes of Megalencephaly

Read more about causes of Megalencephaly.

More information about causes of Megalencephaly:

Disease Topics Related To Megalencephaly

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

Megalencephaly: Undiagnosed Conditions

Commonly undiagnosed diseases in related medical categories:

Misdiagnosis and Megalencephaly

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 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 conditions, such as a stroke or Alzheimer' 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 those causing a mild 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 more »

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

Post-concussive brain injury often misdiagnosed: A study found that soldiers who had suffered a concussive injury in battle often were misdiagnosed 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, but migraines more »

Vitamin B12 deficiency under-diagnosed: The condition of Vitamin B12 deficiency is a possible misdiagnosis of various conditions, such as multiple sclerosis (see symptoms of multiple sclerosis). See symptoms of more »

Megalencephaly: Research Doctors & Specialists

Research related physicians and medical specialists:

Other doctor, physician and specialist research services:

Megalencephaly: Rare Types

Rare types of diseases and disorders in related medical categories:

Megalencephaly: Animations

Prognosis for Megalencephaly

Prognosis for Megalencephaly: The prognosis for individuals with megalencephaly largely depends on the underlying cause and the associated neurological disorders. The prognosis for those with hemimegalencephaly is poor. (Source: excerpt from NINDS Megalencephaly Information Page: NINDS)

Statistics for Megalencephaly

Megalencephaly: Broader Related Topics

Megalencephaly Message Boards

Related forums and medical stories:

User Interactive Forums

Read about other experiences, ask a question about Megalencephaly, or answer someone else's question, on our message boards:

Article Excerpts about Megalencephaly

Megalencephaly, also called macrencephaly, is a condition in which there is an abnormally large, heavy, and usually malfunctioning brain. By definition, the brain weight is greater than average for the age and gender of the individual. (Source: excerpt from NINDS Megalencephaly Information Page: NINDS)

Definitions of Megalencephaly:

Megalencephaly is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Megalencephaly, or a subtype of Megalencephaly, 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 Megalencephaly as a "rare disease".
Source - Orphanet


By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise