Unilateral Biportal Endoscopy (UBE) IN SPINE SURGERY. Full Endoscopic Interlaminar Lumbar Discectomy Anatomy relevant to Lumbar Inter-laminar Endoscopic Discectomy. Endoscopic anatomy relevant to the thoracic spine.pptx Lumbar Medial branch blocks in patients with Lumbar facet arthropathy Cervical spine Medial branch block procedure Anatomy relevant to posterior cervical endoscopic Spine Surgery. IMAGING MODALITIES IN FACET JOINT ARTHROPATHY