Post-operative nonketotic hyperglycemic induced focal motor status epilepticus related to treatment with corticosteroids following standard anterior temporal lobectomy.

•Complications from standard ATL are uncommon and the use of post-operative corticosteroids may reduce complications.•Following standard ATL, FMSE was present after treatment with corticosteroids that resolved after blood sugar control.•After epilepsy surgery, corticosteroids should be used cautiously in people with comorbid diabetes mellitus.