Table 2.
Overview of the study cohort.
| Parameter | Instillation Group | Curettage Group | En Bloc Resection Group | |
|---|---|---|---|---|
| Number | 32 | 34 | 8 | |
| Gender (male:female) | 13:19 | 17:17 | 3:5 | |
| Mean age (years) | 16.88 | 17.15 | 15.5 | |
| Age groups | ≤10 years | 5 | 5 | 1 |
| >10 years | 27 | 29 | 7 | |
| Mean Pre-interventional cyst volume (cm3) | 46.72 | 23.66 | 48.01 | |
| Mean number of instillations | 5.74 | - | - | |
| Mean volume of instillation (mL) | 6.02 | - | - | |
| Mean residual cyst volume (cm3) | 24.3 | - | - | |
| Additional therapy | embolization | 8 | 2 | 2 |
| intralesional cortisone injection | 0 | 1 | 0 | |
| Denosumab therapy | 0 | 0 | 1 | |
| Local recurrence | no need for treatment | 0 | 3 | 1 |
| in need of treatment | 0 | 13 | 1 | |
| over all | 0 | 16 | 2 | |
| Persistent disease | no need for treatment | 19 | 0 | 2 |
| in need of treatment | 10 | 2 | 0 | |
| over all | 29 | 2 | 2 | |
| Complications | pre-interventional | 5 | 3 | 3 |
| post-interventional | 2 | 2 | 3 | |
| Mean follow-up (months) | 36.12 | 41.36 | 54.73 | |