Table 1 Case reports and case series reporting patients with cervical degenerative cysts and outcomes

Present series

2

80 ± 3

③

China

2:0

1 ± 0.5

L4-5(1); L5–S1(1)

1

0

0

Trummer, M., et al., 2001

19

65 ± 10.4

①

Austria

12: 7

L3–4(2); L4–5(15); L5–S1(2)

19

2

6

Pirotte et al., 2003

46

62.2

①

Belgium

8:38

6.82 ± 3.97

L2–3(1); L3–4(3); L4–5(34); L5–S1(11)

46

11

4

Sandhu, F.A., et al., 2004

17

64.2 ± 10.8

③

American

7: 10

L3-4(1); L4-5(14); L5–S1(2)

17

0

8

Khan, A.M., et al., 2005

39

63.3(43–81)

①

American

28:11

L2–3(3); L3–4(8); L4–5(27); L5–S1(2)

31

34

32

Sehati, N., et al., 2006

19

63.6 ± 9.9

③

American

9:10

L3–4(2); L4–5(16); L5–S1(1)

16

1

2

James, A., et al., 2012

16

66.5 ± 10.7

③

American

6:10

L3–4(5); L4–5(9) L5–S1(2)

9

7

9

Landi et al., 2012

15

66.6

①

Italy

6:9

7.76

L2–3(1); L3–4(1); L4–5(8); L5–S1(5)

15

2

0

Jankowski et al., 2012

11

59

Poland

5:6

2–72

L3–4(1); L4–5(9); L5–S1(1)

9

5

1

Rhee, J., et al., 2012

2

69.5 ± 21.9

③

American

0:2

Many mos

L4–5(2)

2

0

0

Komp, M., et al., 2014

74

52(31–78)

②

Germany

32:62

2.07

L1–2(2); L2–3(4); L3–4(5); L4–5(52); L5–S1(17)

74

Zhenbo, Z., et al., 2014

24

59.7

①

China

10:14

22.4

L3–4(3); L4–5(15); L5–S1(6)

10

Knafo, S., et al., 2015(1)

18

63.6

①

France

8:12

T12–L1(1); L3–4(1); L4–5(13); L5–S1(5)

15

3

3

Knafo, S., et al., 2015(2)

3

68 ± 12.5

③

France

0:3

L3–4(1); L4–5(2)

3

0

0

Scholz, C., et al., 2015(1)

6

53

①

Germany

1:5

4

L4–5(4); L5–S1(2)

Scholz, C., et al., 2015(2)

2

55.5 ± 2.1

③

Germany

0:2

1 mos to several

years

L4–5(2)

0

Sukkarieh, H.G., et al., 2015

13

66 ± 11

③

American

5:8

L3–4(4); L4–5(9)

11

2

4

Klessinger, 2016

38

66 ± 10.3

Germany

19:19

6.3

L2-3(1); L3–4(6); L4–5(26); L5–S1(5)

37

1

0

Birch, B.D., et al., 2016

40

65 ± 9.6

③

American

13:27

6.5

L3–4(3); L4–5(29); L5–S1(8)

39

1

15

Denis, D.R., et al., 2016

53

50.5 ± 23.3

③

American

26:27

L3–4(7); L4–540); L5–S1(6)

53

18

Krzok, G., et al., 2016

2

50.5 ± 23.3

②

American

1:1

7.5

L3–4(1); L4–5(1)

2

0

1

Kulkarni et al., 2017

30

67

③

India

18:12

L3–4(4); L4–5(23); L5–S1(3)

8

Bruder, M., et al., 2017

140

65.18

①

Germany

50:90

6.4

L1–2(2); L2–3(3); L3–4(29); L4–5(87); L5–S1(19)

131

42

33

Domenicucci, M., et al., 2017

34

63

①

Italy

13:21

4.73

L2–3(1); L3–4(3); L4–5(20); L5–S1(10)

34

14

Hwang, J.H., et al., 2017

3

64.3 ± 7.5

②

Korea

2:1

L3–4(1); L4–5(2)

3

0

Lista-Martínez, O., et al., 2017

10

70.2

①

Spain

5:5

L3–4(4); L4–5(6)

8

4

4

Oertel, J.M., et al., 2017

11

59

②

Germany

4:7

L4–5(8); L5–S1(3)

10

4

Vergara, P., et al., 2017(1)

13

70

①

England

7:6

L3–4(1); L4–5(11); L5–S1(1)

4

Vergara, P., et al., 2017(2)

24

68

③

England

13:11

L1-2(1); L3–4(6); L4–5(16); L5–S1(1)

9

Bruder, M., et al., 2018

123

70.8

①

Germany

42:81

L1-2(2); L2-3(2); L3–4(26); L4–5(77); L5–S1(16)

29

Akbary, K., et al., 2019

13

60.3 ± 13

②

Korea

9:4

L3–4(2); L4–5(10); L5–S1(1)

13

17

Heo, D.H., et al., 2019

10

57.3

②

Korea

5:5

L3–4(4); L4–5(6);

Landriel, F., et al., 2019

19

60.2 ± 11.7

③

Argentina

13:8

6.9

L3–4(2); L4–5(13); L5–S1(3); S1-2(1)

16

2

11

Rahim, T., et al., 2019

283

63.4

①

Germany

97:194

5.5

L1-2(10); L2-3(6); L3–4(59); L4–5(167); L5–S1(41)

283

232

86

Telfeian, A.E., et al., 2019

2

61 ± 14.1

②

American

0:2

L4–5(1); L5–S1(1)

2

0

0

Wu, H.H., et al., 2019

8

62 ± 19.6

②

England

4:4

2.38

L2–3(1); L4–5(5); L5–S1(2)

6

2

0

Rosenstock T., et al., 2020

111

64

①

Germany

55:55

2

L3–4(19); L4–5(67); L5–S1(17); L5–S1(8)

97

42

36

Rolemberg Dantas, F.L.,et al., 2020

50

63.3 ± 9.78

①

Brazil

18:32

5

L3–4(1); L4–5(38); L5–S1(11)

44

10

21

Tacconi, L., et al., 2020

35

52(26–79)

②

Italy

18:17

2.75

L3–4(6); L4–5(28); L5–S1(1)

0

Hellinger, S., et al., 2020

47

60.58 ± 12.32

②

Germany

21:26

3

L3–4 (6); L4–5 (32); L5–S1 (9)

47

0

Page et al., 2021

104

63.2 ± 11.4

①

American

50:54

T12–L1 (1); L1–2 (1); L2-3 (4); L3–4 (13); L4–5 (63); L5–S1 (22)

88

26

Soriano Sánchez, J.A., et al., 2021

33

62.88 ± 9.92

③

Mexico

8:25

48.76

L3–4(2); L4–5(23); L5–S1(9)

32

Lalanne, L. B., et al., 2022

69

57.8 (36–79)

①

Chile

26:43

3

L3–4 (16); L4–5 (44); L5–S1 (8); other (1)

69

Chesney, K., et al., 2022

85

65 (37–86)

③

American

43:42

L2-3 (1); L3–4 (14); L4–5 (61); L5–S1 (10)

81

22

43

Francavilla TL., et al., 2022

117

59 ± 11

③

American

63:54

at least 1.5

23