The diagnostic criteria for NF2 has been established by a consensus of experts. A person is thought to have NF2 if they have a:
Confirmed (definite) diagnosis of NF2:
- bilateral vestibular schwannomas (may also be known as acoustic neuroma)
(Probable) diagnosis of NF2:
- family history of NF2 AND
- unilateral vestibular schwannomas or any 2 of the following tumor types: meningioma, glioma, schwannoma, juvenile posterior subcapsular lenticular opacity, juvenile cortical cataract
A person should be evaluated for NF2 if the conditions below are met:
- unilateral vestibular schwannoma plus at least 2 of any of the following: meningioma, glioma, schwannoma, juvenile posterior subcapsular lenticular opacities/juvenile cortical cataract
- 2 or more meningiomas plus unilateral vestibular schwannoma or any 2 of the following: glioma, schwannoma, juvenile posterior subcapsular lenticular opacities/juvenile cortical cataract
Learn more about tumors associated with NF type 2.
Only a doctor with expertise in NF2 can provide an accurate diagnosis.
If you suspect you have NF2, but no diagnosis has been made, please visit us for a consultation with a genetic counselor.

