1. 어느 접근방법이 인접마디 변성을 막는데 유리할까?(3가지 척추 유합술 비교)

Which approach is advantageous in preventing the development of ASD?[Comparative analysis between different 3 lumbar interbody fusion techniques(ALIF,LLIF,PLIF) in L4-5 spondylolisthesis with regard to ASD]

2. 요추부 척추협착증에 있어 기존의 방법에 비해 미세침습적 감압술의 장점은 무엇인가?(3가지 다른 요추부 감압술의 비교)

What are the advantages of MIS decompression technique compared to traditional open laminectomy in Lumbar canal and lateral recess stenosis? [Comparative analysis between 3 different lumbar decompression techniques(Microscopic, Tubular and Endoscopic): Preliminary Report