INTERNATIONAL CLASSIFICATION FOR INTRAOCULAR RETINOBLASTOMA

The International Classification for Intraocular Retinoblastoma group for a PATIENT during a Children Teenagers and Young Adults Cancer Care Spell.

Format / Length

an1

National Codes

Code Description
A
Small Tumours away from the foveola and disc:
  • Tumours less than 3mm in greatest dimension confined to the retina and
  • Located at least 3mm from the foveola and 1.5mm from the optic disc
B
All remaining Tumours confined to the retina:
  • All Tumours confined to the retina not in group A
  • Subretinal fluid (without subretinal seeding) less than 3mm from the base of the Tumour
C
Local subretinal fluid or seeding:
  • Subretinal fluid alone greater than 3mm to less than 6mm from the Tumour
  • Vitreous seeding or subretinal seeding less than 3mm from Tumour
D
Diffuse subretinal fluid or seeding:
  • Subretinal fluid alone greater than 6mm from the Tumour
  • Vitreous seeding or subretinal seeding greater than 3 mm from Tumour
E
Presence of one or more of these poor prognosis features:
  • Greater than 2/3 globe filled with Tumour
  • Tumour in anterior segment
  • Tumour in or on the ciliary body
  • Iris neovascularisation
  • Neovascular glaucoma
  • Opaque media from haemorrhage
  • Tumour necrosis with septic orbital cellulitis
  • Pthisis bulbi

Also Known As

This Data Element is also known by these names:

Context Alias
Plural INTERNATIONAL CLASSIFICATIONS FOR INTRAOCULAR RETINOBLASTOMA