Table 2.
Summary of articles addressing factors associated with seizure outcomes after epilepsy surgery for low-grade epilepsy-associated neuroepithelial tumors
| Study | No. of patients | Seizure-free rate | Factors associated with poor seizure outcome |
|---|---|---|---|
| Babini et al. (2013) [43] | 30 | 86.7% | Younger age at seizure onset |
| Tailored surgery (i.e., extended resection for epileptogenic foci) for temporal lobe tumors | |||
| Brahimaj et al. (2014) [47] | 18 | 44.4% | Greater number of AEDs tried before surgery |
| Daszkiewicz et al. (2018) [44] | 52 | 86.5% | Age of >6 yr at surgery |
| Duration of epilepsy >1 yr | |||
| Ehrstedt et al. (2017) [51] | 25 | 64.0% | Subtotal resection |
| Faramand et al. (2018) [15] | 92 | 80.4% | Subtotal resection |
| Garc a-Fern ndez et al. (2011) [52] | 21 | 85.7% | Subtotal resection |
| Khajavi et al. (1995) [53] | 15 | 66.7% | Subtotal resection |
| Khajavi et al. (1999) [46] | 34 | 73.5% | Older age at surgery |
| Subtotal resection | |||
| Ko et al. (2019) [54] | 58 | 87.9% | Subtotal resection |
| Minkin et al. (2008) [48] | 24 | 83.3% | Presence of generalized seizure |
| Nolan et al. (2004) [72] | 26 | 84.6% | Subtotal resection |
| Ogiwara et al. (2010) [66] | 30 | 90.0% | None |
| Packer et al. (1994) [45] | 50 | 72.0% | Parietal location of tumor |
| Subtotal resection | |||
| Duration of epilepsy >1 yr | |||
| Ramantani et al. (2014) [55] | 29 | 75.9% | Subtotal resection |
| Uliel-Sibony et al. (2011) [49] | 41 | 82.9% | Presence of generalized EDs in an EEG |
| Yang et al. (2019) [50] | 39 | 66.7% | Presence of satellite lesions on an MRI scan |
AED, antiepileptic drug; ED, epileptiform discharge; EEG, electroencephalogram; MRI, magnetic resonance imaging.