bilateral acoustic neurofibromatosis ( neurofibromatosis 2 , nf2 ) accounts for less than 10 % of all cases of neurofibromatosis and manifests itself with bilateral acoustic schwannomas , multiple schwannomas of spinal nerve roots , meningiomas , glial tumors and hamartomatous cns lesions .
C0027832
nf2
C0017638
glial tumors