Table 2 |
|
The ABC classification |
| Group A: small tumors away from foveola and disc |
| • Tumors <3 mm in greatest dimension confined to the retina and |
| • Located at least 3 mm from the foveola and 1.5 mm from the optic disc |
|
|
| Group B: all remaining tumors confined to the retina |
| • All other tumors confined to the retina and not in group A |
| • Subretinal fluid (without subretinal seeding) < 3 mm from the base of the tumor |
|
|
| Group C: local subretinal fluid or vitreous seeding |
| • Subretinal fluid alone >3 mm and < 6 mm from the tumor |
| • Vitreous or subretinal seeding < 3 mm from the tumor |
|
|
| Group D: diffuse subretinal fluid or seeding |
| • Subretinal fluid > 6 mm from the tumor |
| • Vitreous or subretinal seeding > 3 mm from the tumor |
|
|
| Group E: presence of any one or more of these poor prognosis features |
| • More than 2/3 of the globe filled with tumor |
| • Tumor in the anterior segment or anterior to the vitreous |
| • Tumor in or on the ciliary body |
| • Iris neovascularisation |
| • Neovascular glaucoma |
| • Opaque media from hemorrhage |
| • Tumor necrosis with aseptic orbital celullitis |
| • Phthisis bulbi |
Aerts et al. Orphanet Journal of Rare Diseases 2006 1:31 doi:10.1186/1750-1172-1-31 |
