Table 2 FIGO risk score for gestational trophoblastic neoplasia (reprinted from 41, Copyright 2014 with permission from Current Oncology Reproduction).
| 0 | 1 | 2 | 4 | |
|---|---|---|---|---|
| Calculation of patientʼs risk score by adding single factors:0–6 points → low-risk group≥ 7 points → high-risk group | ||||
| Age (years) | < 40 | ≥ 40 | ||
| Antecedent pregnancy | mole | abortion | term | |
| Interval from antecedent pregnancy to chemotherapy (months) | < 4 | 4–6 | 7–12 | > 12 |
| hCG (IU/l) | < 103 | 103–104 | 104–105 | > 105 |
| Number of metastases | 0 | 1–4 | 5–8 | > 8 |
| Site of metastases | lung | spleen/kidney | gastrointestinal tract | brain/liver |
| Largest tumour mass (cm) | 3–5 | > 5 | ||
| Previous chemotherapay | monotherapy | combined therapy | ||