Table 3.
Characteristics of patients treated for a hematological malignancy with epidural localization according to their neurological status
| Patients with neurological deficit | Patients without neurological deficit | Entire series | |
|---|---|---|---|
| Total, n (%) | 15 (34.1) | 29 (65.9) | 44 (100) |
| Mean age ± 1 SD (years) | 61 ± 15 | 56 ± 13 | 58 ± 14 |
| Myeloma/lymphoma | 7/8 | 26/3 | 33/11 |
| Level, n (%) | |||
| Cervical | 1 (6.7) | 4 (13.8) | 5 (11.4) |
| Thoracic | 11 (73.3) | 16 (55.2) | 27 (61.4) |
| Lumbar | 2 (13.3) | 9 (31) | 11 (25) |
| Sacral | 1 (6.7) | 0 (0) | 1 (2.2) |
| Frankel grade, n (%) | |||
| A | 0 (0) | 0 (0) | 0 (0) |
| B | 2 (13.3) | 0 (0) | 2 (4.4) |
| C | 12 (80) | 0 (0) | 12 (27.4) |
| D | 1 (6.7) | 0 (0) | 1 (2.2) |
| E | 0 (0) | 29 (100) | 29 (66) |
| Number of collapsed vertebrae at latest follow-up, n (%) | 8 (53.3) | 14 (48.3) | 22 (50) |
| Number of surgeries at latest follow-up, n (%) | 10 (66.7) | 1 (3.4) | 11 (25) |
| Epidural tumor extension volume (cm3): median [1stQ–3rdQ] | 3 [1–5.2] | 0.6 [0.2–1.5] | 0.95 [0.3–3] |
| Osteolysis volume compared to theoretical vertebra volume %: median [1stQ–3rdQ] | 18 [9–47] | 21 [13–43] | 20 [12–42] |