Table 2

Summary of reported series of expression of estrogen and progesterone receptors in vestibular schwannomas

Sl no.

Author

Year

No. of cases

ER positivity (%)

PR positivity (%)

1

Kasantikul et al

1981

20

20

60

2

Markwalder et al

1986

16

44

Not studied

3

Monsell and Wiet

1990

37

19

17

4

Siglock et al

1990

19

100

52

5

Klinken et al

1990

18

none

none

6

Curley et al

1990

14

none

none

7

Beatty et al

1995

24

25

50

8

Carroll et al

1997

21

none

33

9

Labit-Bouvier et al

2000

69

none

10

10

Cafer et al

2008

59

none

100

11

Dalgorf et al

2008

9

none

none

12

Jaiswal et al

2009

100

none

none

Jaiswal et al. Journal of Negative Results in BioMedicine 2009 8:9   doi:10.1186/1477-5751-8-9