Table 1.
Imaging features of the primary tumour
| Characteristic | Number (n = 31) | p-value |
|---|---|---|
| Mean size | 8.5 cm (range, 1.4–22.6 cm) | 0.04a |
| Well-circumscribed vs ill-defined margins | 27 vs 4 | 0.1 |
| Smooth/lobulated vs irregular | 15 vs 16 | 0.11 |
| Solid vs solid-cystic tumours | 18 vs 13 | 0.13 |
| Perilesional oedema | 14 | 0.03a |
| Interfascial extension | 15 | 0.07 |
| Intercompartmental extension | 7 | 0.03a |
| Triple sign | 11 | 0.13 |
| Intratumoral haemorrhage | 10 | 0.02a |
| Bowl of grapes | 5 | 0.04a |
| Calcification | 8 | 0.68 |
| Bone involvement | 3 | 0.3 |
a
Statistically significant correlation.