Advances -- A new concept of diffuse (low-grade) glioma surgery -- Spinal cord injury and its treatment: current management and experimental perspectives -- Percutaneous biopsy through the foramen ovale for parasellar lesions: surgical anatomy, method, and indications -- Percutaneous pedicle screw implantation for refractory low back pain: from manual 2D to fully robotic intraoperative 2D/3D fluoroscopy -- Technical standards -- The choroidal fissure: anatomy and surgical implications -- Decompressive craniectomy: operative technique and perioperative care -- Management of cortical dysplasia in epilepsy.