New neurosurgical locking hole technique 4…Locking hole in the anterior longitudinal fissure: Locking hole for resection of a huge intracerebral tumor, the operation was successful and the patient has been discharged from the hospital. CNS neuroblastoma is difficult to operate and has many postoperative complications due to its low incidence, deep location of the tumor, and proximity to important structures. The main manifestations are intracranial hypertension symptoms: headache, nausea, vomiting; blurred vision, dizziness, ataxia, limb movement disorder, limb sensory disorder, intelligence, memory loss, epilepsy, speech disorder, coma. Asymptomatic, signs incidental findings.