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. 2021 Sep;42(9):1695–1701. doi: 10.3174/ajnr.A7193

Table 3:

Frequencies of epileptogenic lesions stratified by seizure type at presentation

Seizure Types Epileptogenic Lesions
Absence and/or myoclonus with or without generalized tonic-clonic seizures (n = 130) 8 (6.2%)
Unknown-onset tonic-clonic seizures (n = 260) 38 (14.6%)
Unclassified (n = 33) 5 (15.2%)
Focal-onset seizures (n = 484) 148 (30.6%)
Spasms, tonic or atonic seizures (n = 93) 61 (65.6%)