Health: moya-moya, a rare condition in a young man with Down syndrome

The neurological condition, moya-moya, is a little more common in people with Down syndrome than others, although still very rare.  We know of a small number of people with Down syndrome in Australia who have been diagnosed with and treated for moya-moya, as described in this recent US media report from Coshocton, Ohio:

Local family trying to raise awareness about son's rare brain disease
Coshocton Tribune, 26th December 2013

Wyatt Guilliams, 11, likes taking pictures and photos on his iPad, revels in playing games on his Xbox, and says he can’t wait for Christmas to come. 

That’s all typical for a boy his age, but what isn’t typical for the Warsaw Elementary School fourth-grader is his duel with a rare brain disease called moyamoya syndrome. 

Wyatt has Down syndrome and related growth and development problems. It was through medical tests for his low growth hormone levels that the moyamoya, which causes strokes because of blocked arteries at the base of the brain, was determined in August ... read the whole article from the Coshocton Tribune here.