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Table 1 Population characteristics

From: Posterior quadrant epilepsy surgery: case series of a South American hospital

Case

Age at surgery (years)

Sex

Lateralization

Personal/Family History

MRI Findings

Type of surgery

Pathology

Engel at 1 year

Engel at the last follow-up

Complications

1

24

M

Right

Epilepsy in the family

Encephalomalacia

LO

Polymicrogyria

3

3

No

2

34

F

Right

No

Cortical dysplasia

LO

Cortical dysplasia

NDS

2

No

3

9

F

Left

No

Polymicrogyria

Lo- Posterior Callosotomy

N/A

NDS

1

No

4

6

M

Right

Perinatal hypoxia

Cortical dysplasia- heterotopies

LO- LT

EMH

3

4

No

5

28

M

Left

No

Gliosis

CPA

N/A

1

1

No

6

41

M

Right

Surgery for right occipital gangliocytoma

Gangliocytoma

LO- LT

Reactive astrocytosis

2

2

No

7

46

M

Left

No

EMH- Encephalomalacia

LT- Parietoccipital corticectomy

EMH- Parietoccipital gliosis

4

4

Iso

8

4

F

Right

No

No

Parietal corticectomy

Reactive astrocytosis

3

3

No

9

52

F

Right

No

No

Temporoccipital corticectomy

N/A

1

1

No

10

15

F

Right

No

No

LT- Parietal lesionectomy

Reactive astrocytosis

2

2

No

11

22

M

Right

Perinatal hypoxia

Gliosis

LT- Occipital lesionectomy

Cortical dysplasia

4

4

No

12

20

M

Left

No

Encephalomalacia

Parietal corticectomy

N/A

2

2

No

13

28

M

Right

ECA with cranioplasty

EMH- Encephalomalacia

LT- Parietoccipital lesionectomy

EMH- Parietoccipital gliosis

1

1

No

  1. N/A Not available, NDS Not available for loss of follow-up, ECA Brain trauma, LO Occipital lobectomy, LT Temporary lobectomy, CPA Anatomical posterior quadrantectomy, EMH Hippocampus mesial sclerosis, ISO Infection of the operating site
  2. aTumor relapse was suspected