Table 2 Post-chemoradiotherapy metabolic responses grouped by timing of FDG-PET
From: FDG-PET metabolic response predicts outcomes in anal cancer managed with chemoradiotherapy
Result | All patients with post-treatment PET, n (%) | Patients with post-treatment PET in range 40–140 days, n (%) |
|---|---|---|
No. of patients | 48 | 34 |
Time to FDG-PET (days) | ||
Median | 69 | 73 |
Range | 20–255 | 40–140 |
Primary anal tumour | ||
Complete response | 41 (85) | 29 (85) |
Partial response | 7 (15) | 5 (15) |
No response | 0 (0) | 0 (0) |
Regional lymph nodes | ||
Complete response | 48 (100) | 34 (100) |
Partial response | 0 (0) | 0 (0) |
No response | 0 (0) | 0 (0) |
Distant disease | ||
Complete response | 45 (94) | 32 (94) |
Partial response | 0 (0) | 0 (0) |
No response | 3 (6) | 2 (6) |
Overall tumour response rate | ||
Complete response | 38 (79) | 27 (79) |
Partial response | 7 (15) | 5 (15) |
No response | 3 (6) | 2 (6) |
