Bilateral Vestibular Schwannomas in Neurofibromatosis Type 2- ...Magnetic resonance imaging of the brain performed after the administration of contrast material revealed tumors in both internal acoustic canals (33 by 26 by 31 mm on the left side and 32 by 28 by 30 mm on the right side), with extension in the cerebellopontine angles, and severe brain-stem compression. Bilateral vestibular schwannomas are a hallmark of neurofibromatosis type 2. In affected persons, there may be development of schwannomas on other cranial and peripheral nerves, meningiomas, ependymomas, and astrocytomas. Patients may have a parent affected with neurofibromatosis type 2, which is caused by mutations in NF2... #NEJM #clinical #radiology #MRI #bilateral #vestibular #schwannomas #neurogfibromatosis #type2 #bilateral