Table 3. Reported cases of spinal HPC.
| Study | Age (yrs)/Sex | Level | Treatment | Follow-up period | Outcome |
|---|---|---|---|---|---|
| Kruse 196152 | 53/M | C3 | Surgery, RT | 4 yrs | Recurrence at 3 yrs |
| Pitlyk et al. 196560 | 60/M | C4 | Surgery | – | – |
| 49/F | C3 | Surgery | 10 yrs | Tumor free | |
| 39M | T8 | Surgery | 18 yrs | Recurrence at 9, 17, and 18 yrs | |
| Muraszko et al. 198221 | 30/M | L3 | Surgery, RT | 12 yrs | Recurrence at 11 yrs |
| Betchen et al. 20025 | 31/M | L4 | Surgery | 6 months | Tumor free |
RT, radiation therapy; –, not available.