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

Permitted 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