Table 1.
Patient characteristics
| Parameters | |
|---|---|
| Patients (n = 107) | |
| Age | 56.5 ± 16.7 years |
| Sex | |
| Male | 32/107 (29.2%) |
| Female | 75/107 (70.8%) |
| Histology available | 70/107 (65.4%) |
| Non-meningioma | 2/70 (2.8%) |
| CNS WHO grade 1 meningioma | 41/70 (58.6%) |
| CNS WHO grade 2 meningioma | 24/70 (34.3%) |
| CNS WHO grade 3 meningioma | 3/70 (4.3%) |
| PET/CT scans (n = 117) | |
| Indications for PET/CT (multiple possible) | |
| Suspected meningioma/unclear lesion | 27/117 (23.1%) |
| Suspected recurrence/follow-up | 33/117 (28.2%) |
| Suspected remnant/exclusion remnant | 21/117 (17.9%) |
| Radiotherapy planning | 39/117 (33.3%) |
| Pretreatments prior to PET/CT (multiple possible) | |
| None/watch & wait | 40/117 (34.2%) |
| Surgery | 74/117 (63.2%) |
| Radiotherapy | 20/117 (17.1%) |
| Targeted therapy | 3/117 (2.6%) |
| Radioligand therapy | 2/117 (1.7%) |
| Meningioma lesions (n = 231) | |
| No osseous involvement | 104/231 (45.0%) |
| Partial trans-osseous extension | 93/231 (40.3%) |
| Predominant intra-osseous extension | 34/231 (14.7%) |