<unk>  <unk> , also known as the Jannetta procedure, is a neurosurgical procedure used to treat trigeminal neuralgia (along with other cranial nerve neuralgias) a pain syndrome characterized by severe episodes of intense facial pain, and hemifacial spasm. The procedure is also used experimentally to treat tinnitus and vertigo caused by vascular compression on the vestibulocochlear nerve.
Microvascular decompression
Epidural steroid injection
Decompressive craniectomy
Craniotomy
Spinal decompression
Cerebrospinal fluid diversion
Ventriculotomy 
Lumbar–peritoneal shunt