Table 4.
Comparison of regression characteristics before and after treatment.
| Features | Characteristics | Before Rx (n = 170) |
After Rx (n = 166) |
|||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| Clinically | Pigmentation | Pigmented | 86 | 51 | 106 | 64 |
| Amelanotic | 17 | 10 | 30 | 18 | ||
| Variable | 67 | 39 | 30 | 18 | ||
| Orange pigment | Granular | 85 | 50 | 12 | 7 | |
| Gross | 51 | 30 | 25 | 15 | ||
| Absent | 34 | 20 | 129 | 78 | ||
| FAF | Orange pigment | Granular | 42 | 25 | 8 | 5 |
| Gross | 20 | 12 | 17 | 10 | ||
| Absent | 29 | 17 | 47 | 28 | ||
| N/A | 79 | 46 | 94 | 57 | ||
| OCT | Drusenoid retinal pigment epithelial detachments | Present | 30 | 18 | 0 | 0 |
| Absent | 140 | 82 | 166 | 100 | ||
| Subretinal fluid | Apical | 26 | 16 | 9 | 6 | |
| Dependent | 18 | 10 | 0 | 0 | ||
| Foveal | 14 | 8 | 40 | 24 | ||
| Absent | 112 | 66 | 117 | 70 | ||
| FFA | Intrinsic vascularity | Microaneurysms | 100 | 59 | 12 | 7 |
| Vessels | 20 | 12 | 0 | 0 | ||
| Absent | 50 | 29 | 154 | 93 | ||
| USG | Tumor configuration | Dome | 148 | 87 | 86 | 52 |
| Mushroom-shaped | 22 | 13 | 19 | 11 | ||
| Flat | 0 | 0 | 61 | 37 | ||
| Internal reflectivity | Low | 22 | 13 | 6 | 4 | |
| Moderate | 127 | 75 | 48 | 29 | ||
| High | 21 | 12 | 112 | 67 | ||
FAF: fundus auto fluorescence; OCT: optical coherence tomography; FFA: fundus fluorescein angiography; USG: ultrasonography.