Table 1
Mutations detected on the basis of laterality at presentation
Detection in blood (mosaic) (%)
Mosaic from tumour analysis (%)
Extrapolated mosaic disease (%)
VS, vestibular schwannoma.
Sporadic case bilateral VS at presentation
137/217 (63)
19
13/20 (65)
33
Sporadic case unilateral at presentation
28/103 (27)
5
18/24 (75)
60