Clinical examination at presentation of 64 group D retinoblastoma eyes (52 patients) treated by primary intravenous chemotherapy
| Parameter | Eyes (n=64) | Per cent |
|---|---|---|
| Laterality | ||
| Right eye | 40 | 63 |
| Left eye | 24 | 38 |
| Horizontal corneal diameter of the D eye (mm) | ||
| Median (mean, range) | 11.5 (11.4, 10.0–12.5) | |
| Tumour focality | ||
| Unifocal | 41 | 64 |
| Multifocal | 23 | 36 |
| Tumour dimensions (mm) | ||
| Median (mean, range) | Height: 9.7 (10.1, 4.4–19.2) | |
| Base: 13.0 (12.6, 7.8–19.0) | ||
| Quadrants of retinal detachment | ||
| No detachment | 6 | 9 |
| Local | 12 | 19 |
| 1 | 3 | 5 |
| 2 | 7 | 11 |
| 3 | 7 | 11 |
| 4 | 29 | 45 |
| Optic disc obscured | ||
| Not obscured | 17 | 27 |
| Obscured | 47 | 73 |
| Fovea involvement | ||
| Not involved | 11 | 17 |
| Subfoveal fluid | 11 | 17 |
| Foveal tumour | 42 | 66 |
| Retinoblastoma seeds | ||
| No seeds | 9 | 14 |
| Subretinal | 41 | 64 |
| Vitreous | 28 | 44 |
| Both | 14 | 22 |