D/D of Iris Nodules –

1. Tumors

  • Benign:
    • Iris nevus
    • Iridocorneal endothelial syndrome (ICE)
    • Oculodermal melanosis (nevus of Ota)
  • Malignant:
    • Primary:
      • Malignant melanoma
      • Leiomyoma
      • Leukemia
    • Secondary

2. Non tumours conditions

  • Infection/inflammation:
    • Granulomatous uveitis (Koeppe and Busacca nodules)
    • Fungal endophthalmitis
  • Trauma:
    • Inclusion cyst
    • Retained IOFB
  • Developmental:
    • Neurofibromatosis (Lisch\’s nodule)
    • Down\’s syndrome (Brushfield spots)
    • Juvenile xanthogranuloma