Summary of previously reported cases by symptom.
| Symptom | Age, y, Mean (Range) | Sex, Men/Women | Motor Weakness, With/Without | Surgery | Pathology |
| Myelopathy | 65.4 (41–86) | 41/11 (NA: 1) | 35/3 (92.1%) (NA: 15) | Hemilaminectomy: 13 Laminectomy: 31 Fusion: 3 Laminoplasty: 1 Endoscopic hemilaminectomy: 5 | Synovial: 34 Ganglion: 15 NA: 4 |
| Myeloradiculopathy | 66.1 (56–82) | 11/4 | 11/1 (91.7%) (NA: 3) | Laminectomy: 8 Fusion: 5 Laminoplasty: 2 | Synovial: 3 Ganglion: 8 NA: 4 |
| Radiculopathy | 64.7 (40–84) | 39/35 | 38/13 (74.5%) (NA: 23) | Hemilaminectomy: 44 Laminectomy: 4 Fusion: 20 Endoscopic hemilaminectomy: 2 Endoscopic foraminotomy: 2 Needle aspiration: 1 NA: 1 | Synovial: 58 Ganglion: 8 NA: 8 |
Abbreviation: NA, not available.