Table 3.
Tumour characteristics of the study cohort on MR imaging.
| Case # | Diagnosis | Tumour Location | T1 | T2 | Diffusion Restriction (Y/N) | b-Value (s/mm2) | Mean ADC Value | Whole Lesion (10−3 mm2/s) | Enhancement Type (Heterogenous, Homogenous, None) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | GN | Posterior mediastinum | iso | hyper | Y | 800 | 1484.07 | 1713.60 | heterogenous |
| 2 | NB | Presacral | iso | intermediate | Y | 800 | 643.17 | 677.70 | heterogenous |
| 3 | NB | Posterior mediastinum | iso | hyper | Y | 1000 | 325.33 | 360.30 | Homogenous |
| 4 | NB | Presacral | iso | hyper | Y | 600 | 781.07 | 932.80 | Homogenous |
| 5 | GN | Retroperitoneum | hypo | hyper | Y | 600 | 1752.20 | 2173.80 | heterogenous |
| 6 | GNB | Carotid bifurcation | hypo | hyper | Y | 1000 | 3650.60 | 3956.70 | Homogenous |
| 7 | NB | Retroperitoneum | hypo | hyper | Y | 600 | 383.47 | 475.40 | No contrast |
| 8 | NB | Retroperitoneum | iso | hyper | Y | 600 | 678.33 | 810.70 | heterogenous |
| 9 | GN | Presacral | hypo | hyper | Y | 600 | 2015.53 | 2385.10 | heterogenous |
| 10 | NB | Paravertebral | iso | hyper | Y | 800 | 1071.17 | 1048.50 | homogenous |
| 11 | GNB | Paravertebral | hypo | hyper | Y | 800 | 1581.13 | 1522.40 | heterogenous |
| 12 | NB | Presacral | hypo | hyper | Y | 600 | 849.87 | 1011.60 | heterogenous |
| 13 | NB | Posterior mediastinum | hyper | hyper | Y | 600 | 649.33 | 710.10 | Homogenous |
| 14 | GN | Suprarenal | hypo | hyper | N | 600 | 1125.53 | 1048.00 | homogenous |
| 15 | GN | Suprarenal | hypo | hyper | Y | 600 | 968.07 | 1020.80 | heterogenous |
| 16 | GNB | Suprarenal | hypo | hyper | Y | 600 | 810.80 | 814.10 | heterogenous |
| 17 | NB | Posterior mediastinum | iso | hyper | Y | 600 | 773.20 | 774.30 | heterogenous |
| 18 | NB | Posterior mediastinum | hypo | hyper | Y | 600 | 1080.87 | 1066.30 | Homogenous |
| 19 | NB | Retroperitoneum | hypo | hyper | Y | 800 | 1226.33 | 1421.50 | heterogenous |
| 20 | NB | Posterior mediastinum | iso | hyper | Y | 600 | 981.20 | 980.00 | Homogenous |
| 21 | NB | Suprarenal | hypo | iso | Y | 600 | 517.93 | 525.90 | heterogenous |
| 22 | NB | Suprarenal | hypo | iso | Y | 600 | 772.33 | 951.40 | heterogenous |
| 23 | GNB | Posterior mediastinum | hypo | hyper | Y | 600 | 1437.53 | 1442.40 | Homogenous |
| 24 | NB | Suprarenal | hypo | hyper | Y | 1000 | 649.00 | 1075.30 | heterogenous |
| 25 | NB | Suprarenal | iso | hyper | Y | 600 | 657.43 | 747.70 | heterogenous |
| 26 | NB | Presacral | hypo | hyper | Y | 600 | 1657.10 | 1897.00 | heterogenous |
| 27 | GNB | Retroperitoneum | hypo | hyper | Y | 500 | 1048.93 | 1073.00 | heterogenous |
| 28 | NB | Suprarenal | hypo | hyper | Y | 800 | 741.20 | 791.60 | heterogenous |
| 29 | GN | Posterior mediastinum | hypo | hyper | Y | 600 | 803.80 | 965.00 | Homogenous |
| 30 | NB | Posterior mediastinum | iso | hyper | Y | 600 | 862.63 | 791.70 | heterogenous |
| 31 | NB | Neck | iso | iso | Y | 1000 | 243.97 | 237.50 | No contrast |
| 32 | NB | Paravertebral | hypo | hyper | Y | 600 | 1200 | 1228.20 | heterogenous |
| 33 | GNB | Suprarenal | iso | hyper | Y | 600 | 736.07 | 763.70 | heterogenous |
| 34 | GN | Retroperitoneum | hypo | hyper | N | 800 | 1700.47 | 1853.20 | heterogenous |
| 35 | GN | Posterior mediastinum | iso | hyper | N | 800 | 1189.07 | 1126.20 | Homogenous |
| 36 | GN | Retroperitoneum—intramuscular | iso | hyper | N | 800 | 1577.77 | 1708.90 | No contrast |
| 37 | NB | Posterior mediastinum | No | hyper | Y | 600 | 1040 | 1000.00 | Homogenous |
| 38 | NB | Retroperitoneum | iso | hyper | Y | 1000 | 426.67 | 470.00 | homogenous |
| 39 | NB | Retroperitoneum—intramuscular | iso | hyper | Y | 800 | 706.33 | 835.70 | heterogenous |
| 40 | GN | Retroperitoneum | hypo | hyper | Y | 800 | 1475.33 | 2125.50 | heterogenous |
Abbreviations: Y, yes; N, no; NB, neuroblastoma; GNB, ganglioneuroblastoma; GN, ganglioneuroma; ADC, apparent diffusion coefficient; T1, T1-weighted; T2, T2-weighted.