Snapshot A 23-year-old man presents to the emergency department for worsening hearing loss and headaches. Medical history is otherwise noncontributory. Family history is notable for his mother having a meningioma and progressive hearing loss. Physical examination is notable for papilledema and bilateral sensorineural hearing loss. An MRI brain with and without contrast demonstrates bilateral enhancing lesions by the internal acoustic meatus and an extra-axial mass arising from the dura. Introduction Overview login to view 5 more bullets Epidemiology Risk factors login to view 1 more bullet ETIOLOGY Pathophysiology login to view 2 more bullets Genetics login to view 1 more bullet Presentation Symptoms login to view 4 more bullets Physical exam login to view 1 more bullet Imaging MRI of brain and spine with and without gadolinium login to view 6 more bullets Studies Genetic testing login to view 2 more bullets Differential Neurofibromatosis type 1 login to view 5 more bullets Treatment Surgical login to view 4 more bullets Complications Hearing loss Seizures and brainstem compression Cataracts Peripheral neuropathy