Published by: Medicinet.com

What is Williams syndrome?

Williams syndrome is a genetic disorder that affects approximately one in 25,000 births. The syndrome is named for Dr. J.C.P. Williams, who first diagnosed the condition. He saw a pattern in children at his hospital receiving treatment for cardiovascular problems. These children shared traits like similar facial features and an unusually friendly and outgoing demeanor.

Williams syndrome is also called:

• Beuren Syndrome
• Early Hypercalcemia Syndrome with Elfin Facies
• Elfin Facies with Hypercalcemia
• • Hypercalcemia-Supravalvar Aortic Stenosis
  • WBS
  • Williams-Beuren Syndrome
  • WMS

  What is down syndrome?

  Of all chromosomal conditions, Down syndrome is the most common with one in 700 babies diagnosed with Down syndrome. Most people are born with

  46 chromosomes, but those with Down syndrome have an extra copy of chromosome 2.

  While the physical features and behaviors are very similar, there are three different types of Down syndrome: Click here to read the rest of the story.