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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