Table 1.
Patient characteristics.
| Patient Characteristics | |
|---|---|
| Age | |
| median (range) | 63.8 (18–87) |
| Gender | |
| Female | 15 |
| Male | 29 |
| Pathology | |
| oligodendroglioma, IDH-mutant and 1p/19q-codeleted (WHO grade II) | 2 |
| diffuse astrocytoma, IDH-mutant (WHO grade II) | 1 |
| anaplastic astrocytoma, IDH-mutant (WHO grade III) | 6 |
| glioblastoma, IDH-mutant and IDH-wildtype (WHO grade IV) | 16 |
| ependymoma | 1 |
| lymphoma | 10 |
| multiple sclerosis | 1 |
| metastasis | 1 |
| infection (toxoplasmosis) | 1 |
| PTLD | 2 |
| reactive tissue/inflammation | 4 |
| Biopsy technique | |
| frame-based | 25 |
| frameless | 16 |
| Sample Number (ntotal = 383) | |
| median (range) | 8 (4–18) |
| Creatinine (average ± SD) | |
| preoperative | 0.99 ± 0.39 mg/dL |
| postoperative | 0.94 ± 0.41 mg/dL |