digeorge_syndrome

DiGeorge Syndrome

  • Various phenotypic expressions with multiorgan dysgenesis
  • Most common abnormalities involve the following systems/organs:
    • cardiac
    • craniofacial
    • thymus
    • parathyroid
  • Anterior segment
    • Posterior embryotoxon (15%)
    • Sclerocornea
    • Peters anomaly
    • Iris remnants
    • Cataracts
    • Uveitis
    • Colobomas
    • Anterior segment dysgenesis
  • Posterior segment
    • Tortuous retinal vessels (24%)
    • Optic Disc abnormalities (hypoplastic, hyperpigmented, small or tilted, excavated) (9%)
    • 22q11.2 may be an additional genetic locus for familial exudative vitreoretinopathy
  • Globe
    • Microphthalmia with or without orbital cyst- rare
    • Persistent fetal vasculature- rare
  • External, Orbit, Vision
    • Strabismus (10%) / Amblyopia (6%)
    • Eyelid abnormalities
      • Epicanthus (4%)
      • Ptosis (3%)
      • Distichiasis
      • Dacryostenosis (3%)

Fundus Vascular Tortuosity and Optic Nerve anomaly in teenager with DiGeorge

  • Renal, endocrine, immunologic, and psychiatric problems
  • Partial deletion of the long arm of chromosome 22 (deletion 22q11.2)
  • digeorge_syndrome.txt
  • Last modified: 2022/08/05 15:04
  • by oculoman