What is Williams Syndrome?
What is Williams Syndrome?
- Williams Syndrome: A syndrome characterised by mental retardation, facial abnormalities and emotional instability.
- Williams Syndrome: A multiple congenital anomaly/mental retardation syndrome with a complex phenotype and age-related variability of expression. Typical facial appearance (elfin facies) is the most characteristic feature of this syndrome. Delayed growth, feeding difficulty, failure to thrive, colic, otitis media, and mental retardation are the early symptoms in infancy. Developmental disabilities and cardiovascular complications become apparent later in childhood. Hypertension, gastrointestinal problems, and genitourinary disorders usually complicate adult development. The phenotype may overlap with hypercalcemia with or without mental retardation and supravalvular aortic stenosis with or without mental retardation.
Source - Diseases Database
- Williams Syndrome: a rare congenital disorder associated with deletion of genetic material in chromosome 7; characterized by mental deficiency and some growth deficiency and elfin faces but an overly social personality and a remarkable gift for vocabulary.
Source - WordNet 2.1
Williams Syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Williams Syndrome, or a subtype of Williams Syndrome,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Williams Syndrome: Introduction
Types of Williams Syndrome:
Broader types of Williams Syndrome:
How many people get Williams Syndrome?
Prevalance of Williams Syndrome: estimated 1 per 7,500 - 20,000 people suffer from Williams syndrome, Genetics Home Reference website
Prevalance Rate of Williams Syndrome: approx 1 in 7,500 or 0.01% or 36,266 people in USA [about data]
How serious is Williams Syndrome?
Prognosis of Williams Syndrome: Variable. Depends on level of mental impairment.
Complications of Williams Syndrome:
see complications of Williams Syndrome
Prognosis of Williams Syndrome:
The
prognosis for individuals with Williams syndrome varies. Some may be able
to master self-help skills, complete academic or vocational school, and
live in supervised homes or on their own, while others may not progress to
this level.
(Source: excerpt from NINDS Williams Syndrome Information Page: NINDS)
What causes Williams Syndrome?
Causes of Williams Syndrome: see causes of Williams Syndrome
Causes of Williams Syndrome:
Scientists have learned that
most individuals with Williams syndrome have a deletion of genetic
material on chromosome 7. This probably causes the physical and
developmental problems experienced by patients.
(Source: excerpt from NINDS Williams Syndrome Information Page: NINDS)
Risk factors for Williams Syndrome:
see
risk factors for Williams Syndrome
What are the symptoms of Williams Syndrome?
Symptoms of Williams Syndrome:
see symptoms of Williams Syndrome
Complications of Williams Syndrome:
see complications of Williams Syndrome
Can anyone else get Williams Syndrome?
Inheritance:
see inheritance of Williams Syndrome
Williams Syndrome: Testing
Diagnostic testing: see tests for Williams Syndrome.
Misdiagnosis: see misdiagnosis and Williams Syndrome.
How is it treated?
Treatments for Williams Syndrome:
see treatments for Williams Syndrome
Research for Williams Syndrome:
see research for Williams Syndrome
Organs Affected by Williams Syndrome:
Organs and body systems related to Williams Syndrome include:
Name and Aliases of Williams Syndrome
Main name of condition: Williams Syndrome
Class of Condition for Williams Syndrome: congen.defect, genetic
Other names or spellings for Williams Syndrome:
Williams-Beuren syndrome, WBS, WMS, WS
Beuren-Williams syndrome, Supravalvular aortic stenosis hypercalcemia syndrome
Source - Diseases Database
Williams syndrome
Source - WordNet 2.1
WBS, WMS (Williams-Beuren syndrome), WS, Williams-Beuren syndrome
Source - Office of Rare Diseases (ORD) of the National Institutes of Health (NIH)
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