Full endoscopic decompression of ligamentum flavum cyst causing thoracic myelopathy: illustrative case
BACKGROUND Ligamentum flavum cysts are benign lesions arising from the ligamentum flavum. Although rare in the thoracic spine, they can cause significant spinal cord compression and myelopathy. While open surgical decompression is well described, the role of full endoscopic spine surgery (FESS) in the thoracic spine re...