Conditions / Genetic

oculopharyngodistal myopathy 4

info ยท Genetic

An oculopharyngodistal myopathy that is characterized by progressive ptosis, ophthalmoparesis, facial and masseter weakness, and muscle weakness of the distal limbs and that has_material_basis_in heterozygous trinucleotide repeat expansion (CGG) in the 5-prime

An oculopharyngodistal myopathy that is characterized by progressive ptosis, ophthalmoparesis, facial and masseter weakness, and muscle weakness of the distal limbs and that has_material_basis_in heterozygous trinucleotide repeat expansion (CGG) in the 5-prime untranslated region (UTR) of the RILPL1 gene on chromosome 12q24.

Signs and symptoms

  • Distal muscle weakness
  • Areflexia
  • Postural tremor
  • Ptosis
  • Rimmed vacuoles
  • EMG: myopathic abnormalities
  • Dysarthria
  • Weakness of facial musculature
  • Dysphagia
  • External ophthalmoplegia