How is neurofibromatosis type 2 (NF2) diagnosed?

To diagnose neurofibromatosis type 2 (NF2), a doctor looks for bilateral vestibular schwannomas or a family history of NF2 (parent, sibling, or child) plus a unilateral vestibular schwannoma before age 30 or any two of the following:

Glioma Meningioma Schwannoma Juvenile posterior subcapsular/lenticular opacity (cataract) or juvenile cortical cataract

This answer is based on source information from the National Institute of Neurological Disorders and Stroke.

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