Santipas B.Park C.W.Mahidol University2026-01-032026-01-032025-01-01Unilateral Biportal Endoscopic Spine Surgery Basic and Advanced Technique Second Edition (2025) , 309-317https://repository.li.mahidol.ac.th/handle/123456789/113767Ossification of the ligamentum flavum (OLF) in the thoracic spine is a known cause of thoracic myelopathy, with a higher prevalence among East Asian populations, particularly in Koreans, Japanese, and Chinese, compared to other groups [1, 2]. Early diagnosis and timely surgical decompression are crucial for improving the functional outcomes of thoracic OLF. Surgical intervention is essential and should be performed promptly once symptoms appear. Treatment options vary widely, ranging from traditional open laminectomy to minimally invasive endoscopic decompression [3, 4].MedicineMedicineBook ChapterSCOPUS10.1007/978-981-96-7022-2_262-s2.0-105025860077