Table 2.
Treatment methods used in intraocular RB.
| Treatment methods | Number of eyes receiving treatment/Total number of eyes in cohort (%) |
|---|---|
| CRD | 254/276 (92.0) |
| TTT | 156/276 (56.5) |
| Cryotherapy | 138/276 (50.0) |
| Primary enucleation | 75/351 (21.4) |
| Unilateral RB | 64/161 (39.8) |
| Bilateral RB | 11/190 (5.8) |
| Secondary enucleation | 75/276 (27.2) |
| Unilateral RB | 37/97 (38.1) |
| Bilateral RB | 38/179 (21.2) |
| EBRT | 48/276 (17.4) |
| IAC | 25/276 (9.1) |
| Primary | 3/276 (1.1) |
| Secondary | 22/276 (8.0) |
| Focal treatments only (TTT, cryotherapy) | 19/276 (6.9) |
| Ruthenium-106 plaque radiotherapy | 18/276 (6.5) |
| IVC | 11/276 (4.0) |
CRD chemoreduction, TTT transpupillary thermotherapy, RB retinoblastoma, EBRT external beam radiotherapy, IAC intraarterial chemotherapy, IVC intravitreal chemotherapy.