BRESEK syndrome

What is BRESEK syndrome?

X-linked mental retardation, Reish type is characterised by Brain anomalies, severe mental Retardation, Ectodermal dysplasia, Skeletal deformities (vertebral anomalies, scoliosis, polydactyly), Ear/eye anomalies (maldevelopment, small optic nerves, low set and large ears with hearing loss) and Kidney dysplasia/hypoplasia (giving the acronym BRESEK syndrome).

Other condition names

  • BRESHECK syndrome

Inheritance type

X-linked dominant


  • Worldwide: <1 in 1,000 000

Age of Onset

  • Childhood
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "". Data version 1.3.16 / 4.1.7.