Table 4.
Patients with suspected recurrent tumor after therapy in which a clear differentiation from posttherapeutic changes was not possible from MRI alone
| # | Pat. no. | Age [years] | Gender (F = female M = male) | Diagnosis | WHO grade | Localization | Number of MET-PET scans [n] | Diagnosis confirmed by |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 13 | M | Pilocytic astrocytoma | I | 3rd ventricle | 1 | 3 |
| 2 | 3 | 16 | F | Pilocytic astrocytoma | I | Left thalamus | 1 | 3 |
| 3 | 5 | 19 | M | Pilocytic astrocytoma | I | Sellar region | 1 | 1 |
| 4 | 6 | 12 | M | Pilocytic astrocytoma | I | Right basal ganglia | 1 | 3 |
| 5 | 13 | 20 | M | Astrocytoma | II | Left frontal | 1 | |
| 6 | 16 | 13 | M | Ependymoma | II | Left cerebellum | 1 | 1 |
| 7 | 17 | 20 | F | Astrocytoma | III | Right thalamus | 2 | 4 |
| 8 | 18 | 21 | F | Astrocytoma | III | Right basal ganglia | 1 | 4 |
| 9 | 19 | 14 | M | Astrocytoma | III | Left pericentral | 1 | 1 |
| 10 | 20 | 14 | F | Astrocytoma | III | Right frontal | 1 | 3 |
| 11 | 22 | 21 | F | Oligoastrocytoma | III | Right internal capsula | 1 | 4 |
| 12 | 23 | 18 | M | Glioblastoma | IV | Left temporal | 1 | 4 |
| 13 | 24 | 12 | F | Glioblastoma | IV | Right thalamus | 1 | 4 |
| 14 | 25 | 20 | F | Medulloblastoma | IV | Left cerebellum | 1 | 4 |
| 15 | 26 | 10 | F | Medulloblastoma | IV | Right frontal | 1 | 4 |
| 16 | 27 | 21 | M | Medulloblastoma | IV | Pons | 1 | 1 |
| 17 | 28 | 8 | F | Medulloblastoma | IV | Right cerebellum | 1 | 2 |
| 18 | 29 | 11 | F | Ependymoblastoma | IV | Right fronto-temporal | 1 | 3 |
| 19 | 30 | 2 | F | ATRT | IV | Brainstem | 1 | 2 |
| 20 | 31 | 9 | M | ATRT | IV | Right temporo-occipital | 1 | 4 |
Diagnosis was confirmed (1) histologically after the MET-PET examination by surgery or stereotactic biopsy, (2) clinically, (3) by follow-up MRI or CT scans, (4) or clinically in combination with follow-up imaging results