Table 2 Largest past case series of meningiomas in children and adolescents

Perilongo et al. 1992 [13]

1975–1991

20

1,5–17

15:5

Convexital–40% (8)

Sphenoid wing–10% (2)

Parasagittal–10% (2)

1

2

Malignant–45% (9)

Benign–55% (11)

60%

8

1

Germano et al. 1994 [14]

1948–1990

23

6–21

14:9

Supratentorial–70% (16)

Intraventricular–13% (3)

0

0

Grade I–71% (15)

Grade II–29% (6)

Grade III–0

Non-specified–9.5% (2)

60%

0

0

Erdinçeret al. 1998 [15]

1968–1994

29

0–15

18:11

Convexital–58.6% (17)

Intraventricular–10.3% (3)

Intraosseous–3.4% (1)

Sphenoid wing–6.9% (2)

Parasellar–6.9% (2)

7

5

Grade I–93% (27)

Grade II–3.4% (1)

Grade III–3.4% (1)

86.2%

3

7

Amirjanshidi et al. 2000 [16]

1983–1998

24

4–17

11:13

Convexital–33.3% (8)

Parasagittal–12.5% (3)

Parasellar–12.5% (3)

Suprasellar–4.2% (1)

0

0

Grade I–95.8% (23)

Grade II–0

Grade III–4.2% (1)

75%

6

1

Lund–Johansen et al. 2001 [17]

1972–1998

27

0,3–20

16:11

Convexital–33.3% (9)

Parasagittal–14.8% (4)

Clinoid process–11.1% (3)

Sphenoid wing–7.4% (2)

0

3

Grade I–96.3% (26)

Grade II–3.7% (1)

Grade III–0

92.6%

8

3

Perry et al. 2001 [18]

1972–2000

33

3–18

19:14

Convexital and parasagittal–49% (26)

Skull base–6% (3)

Anterior visual pathway and orbit–8% (4)

1

14

Grade I–40% (21)

Grade II–49% (26)

Grade III–11% (6)

–

8

5

Rochat et al. 2004 [19]

1935–1984

22

0–14

8:14

Supratentorial:

-Midline–18.2% (4)

-Lateral–68.2% (15)

0

3

Grade I–91% (20)

Grade II–9% (2)

Grade III–0

68%

9

13

Rushing et al. 2005 [20]

1970–2004

87

0.4–20

52:35

Supratentorial–64% (55)

Intraventricular–12% (10)

0

9

Grade I–70.1% (61)

Grade II–22.9% (20)

Grade III–4.6% (4)

58.6%

15

9

Arivazhagan et al. 2008 [12]

1990–2005

33

5–18

19:14

Convexital–15.2 (5)

Intraventricular–24.2% (8)

Parasagittal–3% (1)

Sphenoidal–6.1% (2)

Parasellar/suprasellar–9.1% (3)

3

0

Grade I–75.6% (25)

Grade II–9% (3)

Grade III–15% (5)

66.7%

6

3

Menon et al. 2009 [21]

1982–2005

38

2.5–20

20:18

Parasagittal–24.4% (10)

Skull base–24.4% (10)

Convexital–12.2% (5)

Intraventricular–7.3% (3)

8

3

Grade I–73.13% (30)

Grade II–24.4% (9)

Grade III–4.8% (2)

76.3%

7

1

Gao et al. 2009 [11]

1993–2008

54

2.8–18

29:25

Convexital–14.8% (8)

Parasagittal–14.8% (8)

Sphenoidal ridge–5.6% (3)

Suprasellar–1.9% (1)

0

5

Grade I–81.5% (44)

Grade II–11.1% (6)

Grade III–7.4% (4)

72.2%

10

9

Li and Zhao, 2009 [22]

2000–2007

34

2–17

16:18

Convexital–79.4% (27)

Parasagittal–5.8% (2)

Tuberculum sellae–2.9% (1)

Sphenoid ringe–2.9% (1)

Cavernous sinus–2.9% (1)

0

0

Grade I–79.4% (27)

Grade II–8.8% (3)

Grade III–11.76% (4)

58.8%

7

6

Lakhdar et al. 2010 [23]

1998–2007

21

2–16

13:8

Convexital–47.6% (10)

Parasagittal–23.8% (5)

Sphenoidal–9.5% (2)

Suprasellar–9.5% (2)

Intraventricular–9.5% (2)

1

1

Grade I–61.9% (13)

Grade II–9.5% (2)

Grade III–28.7% (6)

61.9%

7

2

Thuijs et al. 2012 [24]

1974–2010

72

0–18

39:33

Supratentorial–52.7% (38)

-Convexital–37.5% (27)

Infratentorial–18.1% (13)

10

3

Grade I–73.6% (53)

Grade II–18.1% (13)

Grade III–8.3% (6)

48.6%

19

7

Ravindranath et al. 2013 [25]

1988–2012

31

0.6–18

22:9

Convexital–42% (13)

Skull base–49% (15)

Multiple–6.4% (2)

Intraventricular–3% (1)

2

2

Grade I–64% (20)

Grade II–26% (8)

Grade III–9% (3)

83%

20

1

Li et al. 2016 [26]

2005-–2014

44

3–18

20:24

Anterior fossa–16.2%

Middle fossa–32.4%:

-Sphenoid wing–10.8%

-Parasellar–8.1%

-Cavernous sinus–2.7%

-Other–10.8%

1

3

Grade I–63.7% (28)

Grade II–27.3% (12)

Grade III–9% (4)

52.3%

10

4

Grossbach et al. 2017 [27]

1948–2015

39

0–20

15:24

Convexital–58.8% (20)

Skull base–55.8% (19)

4

4

Grade I–69% (27)

Grade II–26% (10)

Grade III–5% (2)

-

15

2

Ilkay et al. 2020 [28]

1994–2001

23

8–18

12:11

Superficial (convexital and parasagittal)–48.2%

Skull base (25.9%):

-Foramen magnum 8.7%

-Retro-orbital 13%

-Anterior cranial fossa 8.7%

-Suprasellar/parasellar 0%

Deep (pineal, lateral ventricles, ambient cistern)–11.1%

1

5

Grade I–55.5% (15)

Grade II–33.3% (9)

Grade III–11.1% (3)

70.4%

10

3

He et al. 2020 [29]

2009–2019

39

1–18

22:17

Convexital–35.6% (14)

Skull base–30.7% (12)

-Sellar region–2.5% (1)

Intraventricular–17.9% (7)

2

1

Grade I–66.7% (26)

Grade II–25.6% (10)

Grade III–7.7% (3)

71.8%

13

2