Conditions / Syndrome

fragile X syndrome

info · Syndrome · ICD-10: Q99.2

A syndrome that is characterized by moderate to severe mental retardation, macroorchidism, and distinct facial features, including long face, large ears, and prominent jaw, and has_material_basis_in X-linked inheritance and a loss of FMR1 function.

Signs and symptoms

  • Moderate intellectual disability
  • Hyperactivity
  • Reduced eye contact
  • Seizure
  • Coarse facial features
  • Periventricular heterotopia
  • Autism
  • Macrocephaly
  • Pes planus
  • Abnormal head movements

Also known as: FRAGILE X MENTAL RETARDATION SYNDROME; MARKER X SYNDROME; MARTIN-BELL SYNDROME