| Characteristics | N = 16 | |
| Age* | 44.5 (15 - 67) | |
| Gender | male | 3 (18.3) |
| female | 13 (81.7) | |
| Development time* | 2.5 (1 - 5) | |
| Sign | cervical mass | 9 (56.3) |
| tinnitus | 3 (18.8) | |
| otalgia | 3 (18.8) | |
| vertigo | 1 (6.3) | |
| Cranial nerve damage | 5 (31.2) | |
| Location of the PG | jugular | 6 (37.5) |
| carotid | 5 (31.3) | |
| jugulo-tympanum | 4 (25) | |
| temporal | 1 (6.3) | |
| Maximum size of tumor**. | 4 (1.6 - 6.9) | |
| Pathological confirmation | 8 (50) | |
| FISCH class | class C | 9 (56.3) |
| class D | 7 (42.7) | |