Table 1.
Overall Characteristics of Children Who Underwent Liver Tumor Biopsy
| Variable | Number (%) or median (range) |
|---|---|
| Overall | 121 (100%) |
| Age at diagnosis, months | 18 (1-190) |
| <3 years | 101 (83%) |
| 3-8 years | 15 (12%) |
| >8 years | 5 (4%) |
| PRETEXTa | |
| II | 36 (30%) |
| III | 60 (50%) |
| IV | 25 (21%) |
| Venous involvement | |
| V(neg) | 8 (7%) |
| V0 | 9 (7%) |
| V1 | 18 (15%) |
| V2 | 83 (69%) |
| V3 | 3 (2%) |
| Portal involvement | |
| P(neg) | 7 (6%) |
| P0 | 10 (8%) |
| P1 | 18 (15%) |
| P2 | 77 (64%) |
| P3 | 9 (7%) |
| Biopsy | |
| Percutaneous | 28 (23%) |
| Laparoscopic | 17 (14%) |
| Open | 76 (63%) |
| Post biopsy complication | |
| Bleeding | 47 (39%) |
| Bleeding requiring transfusion | 31 (26%) |
| Days from biopsy to treatment | 4 (1 - 19) |
a
Determined by central review