Characteristics of the 40 Patients
| Characteristic | Data |
| Mean age ± SD (y) | 70 ± 10 |
| Mean body mass index (kg/m2) | 27 (range, 16–42) |
| Mean time ± SD between PET/CT and surgery (d) | 20 ± 17 (range, 1–74) |
| Primary vulvar tumor site | |
| Anterior | 20 (50) |
| Lateral | 17 (42.5) |
| Posterior | 3 (7.5) |
| Tumor growth pattern | |
| Exophytic | 29 (72.5) |
| Ulcerative | 7 (17.5) |
| Infiltrative | 4 (10) |
| Neighboring tissues involved | |
| Extravulvar skin | 4 (10) |
| Urologic tract | 4 (10) |
| None | 32 (80) |
| Vulvar surgery | |
| Partial vulvectomy | 6 (15) |
| Radical vulvectomy | 34 (85) |
| Inguinofemoral lymph node surgery | |
| Unilateral | 0 |
| Bilateral | 39 (97.5) |
| None | 1 (2.5) |
| SLNB | 3 (8) |
| SLNB followed by IFL | 16 (41) |
| ILF | 20 (51) |
| Pelvic lymph node surgery | |
| Unilateral | 8 (20) |
| Bilateral | 1 (2.5) |
| None | 31 (77.5) |
SLNB = sentinel lymph node biopsy; IFL 5 inguinofemoral lymphadenectomy.
Data are n followed by percentage in parentheses, unless otherwise specified.