Patient Question: Disease:Hearing neuroma of the head Description:In August 2001 in the Navy General Hospital after the head hearing neuroma excision surgery, the right side of facial paralysis, right ear hearing loss symptoms, only rely on the left ear hearing to maintain; 2011 tumor recurrence, in the Navy General Hospital Gamma knife surgery treatment, 2013 review results are good; from 2013 out of the beginning, the left ear hearing gradually decreased, the examination found The tumor appeared on the other side of the head Hope to provide help:Please ask the doctor, if the gamma knife surgery, will cause the hearing of the left ear also disappeared? Will there be facial paralysis on the left side? Hospital Department: Naval General Hospital Neurosurgery Treatment: Time: Hospital Department: Naval General Hospital Neurosurgery Course of Treatment: Hearing neuroma surgery in 2001, removal of tumor, hearing neuroma in 2011, gamma knife surgery