Table 2.

Results of ancillary examinations.

Examinations	All patients
Brain MRI	Numbers (%)
Total abnormal findings	18 (52.9%)
EEG
Abnormal background
Before immunotherapy	27(79.4%)
3–6months after immunotherapy	2(5.9%)
Last follow up	0(0%)
Interictal Epileptiform Discharge
Before immunotherapy	16 (47.0%)
3–6months after immunotherapy	5 (14.7%)
Last follow up	2 (5.8%)
EDB	2 (5.8%)
CSF Results
Abnormal findings	12 (35.3%)
Pleocytosis	11 (32.4%)
Increased protein concentration	7 (20.6%)
Pleocytosis and increased protein concentration	6 (17.6%)
Positive OB(Total number 11)	1 (9.1%)

EEG, electroencephalogram; EDB, extreme delta brush; CSF, cerebrospinal fluid; OB, Oligoclonal band.