Neurosurgery (surgery of the nervous system) is a branch of medicine dealing with the diagnostics and surgical treatment of certain diseases of the nervous system. The spectrum of neurosurgery include treatment of brain tumors, severe disc herniation or spinal meningomyelocele. It is the specialty in which the physician is required to be prudent in making difficult treatment decisions.  Neurosurgeon has to take into account many individual factors, that influence the healing process.