Conditions / Syndrome

alpha thalassemia-intellectual disability syndrome type 1

info · Syndrome · ICD-10: D56.0

A syndrome characterized by a variable phenotype including alpha thalassemia, intellectual disability, developmental abnormalities and/or speech delay, and facial dysmorphism that has_material_basis_in a deletion in chromosome 16p that involves the alpha-1 (HB

A syndrome characterized by a variable phenotype including alpha thalassemia, intellectual disability, developmental abnormalities and/or speech delay, and facial dysmorphism that has_material_basis_in a deletion in chromosome 16p that involves the alpha-1 (HBA1) and alpha-2 (HBA2) genes, among others.

Signs and symptoms

  • Upslanted palpebral fissure
  • Hypochromic microcytic anemia
  • Hypotonia
  • Thin corpus callosum
  • High palate
  • Wide nasal bridge
  • Talipes equinovarus
  • Delayed speech and language development
  • Delayed ability to walk
  • Global developmental delay

Also known as: ATR syndrome linked to chromosome 16; ATR syndrome, deletion type; ATR-16 syndrome; alpha thalassemia-intellectual disability syndrome, deletion type; alpha thalassemia-retardation syndrome