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Summary of the frequency of EVNs derived from 35 studies that met the inclusion criteria.
| Reported location | Lesions, n (%) |
|---|---|
| Frontal lobe | 16 (34) |
| Temporal lobe | 6 (13) |
| Parietal lobe | 5 (11) |
| Occipital lobe | 1 (2) |
| Frontoparietal lobe | 2 (4) |
| Frontotemporal lobe | 1 (2) |
| Parietotemporal lobe | 1 (2) |
| Thalamus | 2 (4) |
| Cerebellum | 4 (9) |
| Vermis | 2 (4) |
| Spinal | 6 (13) |
| Mesencephalon | 1 (2) |
| Total | 47 (100) |
EVNs, extraventricular neurocytomas.
