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Table 1 Patient characteristics and operation surgical procedures

From: Tailored keyhole surgery for basal ganglia cavernous malformation with preoperative three-dimensional pyramidal tracts assessment and intraoperative electrophysiological monitoring

Patient Age/Sex presentation Size of CM (cm) Lesion Location To PT Surgical approach Changes of intraoperative electrophysilogical monitoring
       SCSM SSEP MEP
1 35/F ICH, epilepsy 1.5 Anterior A-L + - -
2 28/F ICH 1.2 Anterior A + - -
3 38/F ICH, epilepsy 1.0 Posterior-Lateral P-L + - -
4 23/M ICH 2.0 Posterior-Lateral P-L + - -
5 43/M ICH 1.5 Anterior A + - -
6 49/M ICH 3.5 Anterior A + - -
7 37/F ICH 4.2 Anterior A-L + - -
8 34/M ICH, epilepsy 6 Anterior A-L + - -
9 63/M ICH 5 Posterior-Lateral P-L + - -
10 56/M ICH 4 Anterior Trans-sylvian + - -
11 37/F ICH, epilepsy 1.5 Posterior-Lateral P-L + - -
  1. ICH intracranial hemorrhage, CM carvernous malformation, PT pyramidal tracts, A-L anterior lateral approach, A anterior approach, P-L posterior lateral approach, SCSM subcortical stimulation mapping, SSEP sensory evoked potential, MEP motor evoked potential