Table 1

Clinical features of different thymoma subtypes classified according WHOa
WHO
 n
 Age (yr)
 MGb(%)
 Weight (g)
 Masaoka
I
 Masaoka
II
 Masaoka
III
 Masaoka
IV
A
 15
 64.0 ± 9.8
 26.6
 164.0 ± 293.0
 10
 4
 1
 0
AB
 21
 58.5 ± 10.6
 14.2
 114.0 ± 131.4
 15
 2
 4
 0
B1
 13
 58.6 ± 6.3
 23.0
 103.0 ± 99.5
 9
 2
 1
 1
B2
 13
 51.8 ± 20.3
 53.0
 125.0 ± 108.6
 5
 6
 0
 2
B3
 3
 67.8 ± 23.4
 66.6
 166.0 ± 83.5
 1
 2
 0
 0
C
 19
 54.1 ± 13.4
 0
 139.0 ± 403.4
 2
 3
 3
 11
Total
 84
 -
 22.6
 -
 42
 19
 9
 14

aData are presented as mean ± SD unless otherwise indicated.

bMyasthenia gravis

Dango et al. Journal of Cardiothoracic Surgery 2009 4:33   doi:10.1186/1749-8090-4-33