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2018

1. Selective Thoracic Fusion with Guan-Din Method: Personal experience. Decoding the Tai Chi Pedicle screw placement: personal experience in correction of scoliosis more than 100 degrees.台灣脊椎外科醫學會107年會員大會暨第26次學術研討會，台北（March 31, 2018）
2. 太極椎弓根釘植入法解密-矯正超過100度側彎之個人經驗。中華中醫藥學會骨傷科分會2018年度學術年會，北京（May 25-27, 2018）
3. Smith-Peterson Osteotomy for Failed Correction of Rigid Spine Deformity，BIT's 5th Annual World Congress of Orthopaedics 2018，Milano ( July 25~27, 2018 )

2017

1. Tai Chi Pedicle Screw Placement for Severe Scoliosis. Guan-Din Method for Selective Thoracic Fusion. The philippine Spine Society and the Philippine Orthopaedic Association, Philippine (October 9-11, 2017)
2. STF in adolescent idiopathic scoliosis，國際脊椎手術學術研討會，台中，(October 21, 2017)

2015

1. Update in Surgical Management of Idiopathic Scoliosis，台灣脊椎外科醫學會 2015脊椎醫學研習營，台北 (Jan 10, 2015)
2. Guan-Din Method for Selective Thoracic Fusion－Goals and Techniques，台灣脊椎外科醫學會，台北 (Mar 14, 2015)
3. Surgical treatment of degenerative lumbar kyphoscoliosis，中華民國骨科醫學會中區月會，台中 (Mar 21, 2015)

2014

1. Surgical Classification of Adolescent Idiopathic Scoliosis，中華民國骨科醫學會，台中 (April 19, 2014)
2. 逆轉人生，臺中榮民總醫院嘉義分院，嘉義 (June 6, 2014)
3. Surgical Treatment of Degenerative Kyphoscoliosis，中區骨科醫學會，嘉義(Aug 24, 2014)
4. Guan-Din Method (灌頂法) for Selective Thoracic Fusion. ICSS第二屆國際華人脊柱學會，高雄 (Sep 27, 2014)
5. Topic B: Scoliosis Surgery 畸形矯正手術. ICSS第二屆國際華人脊柱學會，中正骨科醫院，高雄 (Sep 28, 2014)

2013年

1. 灌頂法用於選擇性胸段側凸融合術，2013北京國際脊柱外科高峰論壇，北京 (April 12-14, 2013)
2. Major thoracic compensatory lumbar curves treated by selective thoracic fusion using cantilever bending and direct vertebral rotation (灌頂法)，台灣脊椎外科醫學會夏季季會，台中 (July 13, 2013)
3. Guan-Din Method (灌頂法): A Novel Surgical Technique for Selective Thoracic Fusion to Maximize the Rate of STF and Compensatory Correction，第三屆北京大學國際脊柱外科高峰論壇 2013北大-哈佛國際脊柱外科高峰論壇，北京 (October 19-20, 2013)
4. Cantilever Bending and Direct Vertebral Rotation (灌頂法) for Selective Thoracic Fusion，中華民國骨科醫學會，台北 (October 26-27, 2013)
5. Update of Surgical Treatment of Adolescent Idiopathic Scoliosis，102年骨科醫學會“中區月會”，台中 (November 16, 2013)

2012

1. Cantilever Bending and Direct Vertebral Rotation for Selective Thoracic Fusion － Optimizing the Quality of Correction and Maximizing the Quantity of Curves Treatable with STF，廣州國際脊椎畸形高峰論壇暨廣東省醫學會小兒骨科學組年會，廣州( July 27~29, 2012 )
2. Cantilever Bending and Direct Vertebral Rotation for Selective Thoracic Fusion －Optimizing the Quality of Correction and Maximizing the Quantity of Curves Treatable with STF. Asia Spine 2012 & Taiwan Neurospinal Society, Kaohsiung city, Taiwan (September 7-9, 2012)
3. Cantilever Bending and Direct Vertebral Rotation for Selective Thoracic Fusion －Optimizing the Quality of Correction and Maximizing the Quantity of Curves Treatable with STF. 首屆國際華人脊柱學會成立大會暨首屆學術研討會，蘇州(September 27-29, 2012)

2011

1. 脊椎健康 快樂人生，洪鈞培文教基金會公益系列講座，台北中正紀念堂(Jan 9,2011)
2. Tai Chi Pedicle Screw Placement For Severe Scoliosis, The Eighth Peking Union Medical College Hospital Bone and Joint Surgery Technology Development Forum – Spine Section (May 27-29, 2011) Beijing

2010

1. Quality control of reconstructed sagittal balance for sagittal imbalanc 北京國際脊椎外科高峰論壇解放軍總醫院 北京 (April 23)
2. Quality control of reconstructed sagittal balance for sagittal imbalance The 3rd jishuitan orthopaedic forum Beijing 北京 (April 23-25)
3. 脊柱畸型之手術治療，吉林長春中醫大學附屬醫院 骨科論壇，長春(April 26) 
4. 脊柱畸型之手術治療，雲南昆明縣第二人民醫院 骨科論壇，昆明(Sep 16)
5. 退行性腰椎畸形之治療，福建省第十一次骨科醫學會，莆田(Sep 10-12)
6. 洗髓灌頂法，吉林長春中醫大學附屬醫院 骨科論壇，長春(Oct 11)

2009

1. Cantilever Bending and Direct Vertebral Rotation for AIS 第一屆中國SRS國際學術會議, 北京(May 15-17, 2009)
2. 脊椎畸型矯正之戰爭論, 2009年第四屆湖北省骨科新技術學術研討會, 武漢(May 17-18)
3. 嚴重脊柱後突的處理. 第三屆中國國際骨科學術會議, 北京(Aug 7-9, 2009)
4. New Techniques in Scoliosis Surgery. 台南奇美醫院神經外科醫學會(Sep 19, 2009)
5. Surgical treatment of Lumbar Degenerative Kyphoscoliosis.退變性腰椎側後凸畸形的手術治療.國際脊柱畸型研究組中國部2009第二屆中國脊柱側凸年會, 西安(Oct 10-11, 2009)
6. Taiwanese contributions to orthopedic surgery, Reduction-Fixation spinal system. 台灣骨科醫學會 (Oct 24-25, 2009)
7. 脊椎畸型之手術治療. 澳門骨科醫學會 (Nov 25, 2009)
8. Closing-opening Wedge Osteotomy for Sagittal Imbalance, 29th Annual Congress of the Hong Kong Orthopaedic Association (Nov 28, 2009)

2008

1. Enhanced Capacity for Spontaneous Correction of Lumbar Curve in the Treatment of Major Thoracic–Compensatory C Modifier Lumbar Curve Pattern in Idiopathic Scoliosis. Third International Congress of Spine Deformity and NonFusion Techniques (SDNT), Shanghia China (March 15-16, 2008).
2. A New Approach for Selective Thoracic Fusion. 選擇性胸段側凸融合術之新思維, 國際脊柱畸型研究組中國部2008首屆中國脊柱側凸年會, 西安( July 12-13, 2008)
3. 脊椎畸型矯正, 2008年骨科年會, 浙江台州醫院 (Sep 11-14, 2008)
4. Correction of Large Scoliosis 高級脊椎手術技術研討會, 台北榮總 (Sep 20-21, 2008)
5. 脊椎畸型矯正之戰爭論, 2008脊椎新技術高級研討會, 廣州省第一人民醫院 (Oct 11-12, 2008)

2007

1. Osteotomies for Correction of Kyphotic Deformity. 上海國際脊椎畸型研討會,上海(April 8,2007).
2. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement. 上海國際脊椎畸型研討會,上海(April 8,2007).
3. Osteotomies for Correction of Kyphotic Deformity. 海峽兩岸脊椎外科研討會,上海(April 9,2007).
4. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement. 海峽兩岸脊椎外科研討會,上海(April 9,2007).
5. Osteotomies for Correction of Kyphotic Deformity. 南京骨科醫學會,南京(April 10,2007).
6. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement. 南京骨科醫學會,南京(April 10,2007).
7. New techniques for deformities correction，河北醫科大學，河北省石家莊(April 5, 2007).
8. Surgical correction of kyphotic deformity，北京大學第一醫院，北京(April 4, 2007).

2006

1. Surgical Correction of Spinal Deformities.台南奇美,臺灣神經脊椎外科醫學會(Jun 10,2006).
2. Closing Wedge Osteotomy versus Opening Wedge Osteotomy in Ankylosing Spondylitis with Thoracolumbar Kyphotic Deformity.第一屆中國骨科醫學會國際會議,北京(Nov,12-15,2006).
3. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement. 第一屆中國骨科醫學會國際會議,北京(Nov,12-15,2006).
4. Sagittal Translation in Opening Wedge Osteotomy for Correction of Thoracolumbar Kyphotic Deformity in Ankylosing Spondylitis. 北京大學第一醫院，北京 (Nov,12-15,2006).
5. New Techniques for Surgical Correction of Spinal Deformities. 天津市人民醫院，天津(Nov,12,2006).
6. New Techniques for Surgical Correction of Spinal Deformities. 中國第七屆脊椎疾病器械內固定手術新發展學習班,廣東省廣州市(Nov,9-12,2006).
7. Surgical correction of kyphotic deformity，廣東省中山市人民醫院，廣東省中山市 (Nov, 8,2006).

2005

1. Closing Wedge Osteotomy Versus Opening Wedge Osteotomy in Ankylosing Spondylitis with Thoracolumbar Kyphotic Deformity 臺北三總,臺灣脊柱外科醫學會(Apr 16,2005).
2. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement 臺北三總,臺灣脊柱外科醫學會(Apr 16,2005).
3. Sagittal Translation in Opening Wedge Osteotomy for Correction of Thoracolumbar Kyphotic Deformity in Ankylosing Spondylitis 臺北三總,臺灣脊柱外科醫學會(Apr 16,2005).
4. Sagittal Translation of Spinal Deformities 桃園,北區骨科醫學會(Mar,2005).

2004

1. Surgical Correction of Spinal Deformities. 彰化，中區醫學會(Nov, 2004).
2. Apical Lordosating Osteotomy and Minimal Segments Fixation for Thoracic or Thoraolumbar Osteoporotic Kyphosis due to VCF. Indonesia, 2004.
3. How to Safely Approximate the Best Possible Correction of Scoliosis with the Least Segments Involvement. Indonesia, 2004.

2003

1. Surgical Correction of Spinal Deformities中區醫學會(NOV,2003) 彰化.

2002

1. Lever Maneuver for Large and Rigid Scoliosis, The Association of surgery, R.O.C. (April 20,2002) 臺北.
2. King II Curves Treated by Lever Maneuver, Diapason Club Personal Invitation International History(June26-27,2002), Margaux France,June26-27,2002.

2001

1. Spinal Deformity Correction With Diapason System by Lever Mechanism Stryker Spine, Bordox, France (April, 2001).
2. Lever Maneuver for Rigid Scoliosis, 7th Stryker Spine Ivitational Symposium, Sardinia, Italy (September,2001).

1994

1. Surgical Management of Thoracolumbar Injuries, WPOA, (April 27-30,1994) 臺北.

1993

1. Correction of Throacic Kyphosis in Ankylosing Spondylitis Using Multiple Spinal Osteotomy, and Combined Zielke's DKS and Posture Correction-Fixation, The Orthopaedic Society of R.O.C. (Oct 21-23,1993) 臺北.

1992

1. One Herbert Double-threated Compression screw fixation of Fixation of Displaced type II Odontoid Fractures, The Orthopaedic Society of R.O.C. (Oct 16-17,1992) 臺北.
2. Disc Excision and Interbody Fusion for Lumbar Discogenic Pain, The Orthpaedic Society of R.O.C. (Oct 16-17,1992) 臺北.

1991

1. Oligosegmental Correction of Post-traumatic Thoracolumbar Angular Kyphosis, The Orthopaedic Society of R.O.C. (Oct 19-20,1991) 臺北.

1990

1. Late Anterior Decompression for Incomplete Neural Deficit Secondary to Thoracolumbar Fractures, The North America Spinal Society (Aug 8-11,1990) Las Vagas, USA.
2. Mechanism of Anatomic Reduction of Thoracolumbar Burst Fractures, The International Conference of Spinal Surgery (Nov 16-18,1990) 臺北.
3. Reduction-Fixation Instrumentation System for Unstable Thoracolumbar Fractures The International Conference of Spinal Surgery (Nov 16-18,1990) 臺北.
4. Late Anterior Decompression for Incomplete Neural Deficit Secondary to Thoracolumbar Fractures, The Orthopaedic Society of R.O.C. (Oct 19-20,1990) 臺北.
5. Degenerative Spondylolisthesis Treated with RF System, The Orthopaedic Society of R.O.C (Oct 19-20,1990) 臺北.
6. A RF System for Unstable Thoracolumbar Fractures, The Orthopaedic Society of R.O.C. (Oct 19-20,1990) 臺北.
7. Surgical Treatment of Metastatic Tumors of The Spine, The Orthopaedic Society of R.O.C. (Oct 19-20,1990) 臺北.

1989

1. Surgical Treatment of Metastatic Tumor of The Spine, The Orthpaedic Society of R.O.C. (Oct 19-20, 1989) 臺北.

1987

1. Distraction Arthodesis for Lumbar Spinal Stenosis Due to soft Tissue Problems, The Orthopaedic Society of R.O.C. (Oct,1987) 臺北.
2. Combination Spinal Rod-plate and Transpedicular Screw Instrumentation System for Unstable Thoracolumbar Fractures The Orthopaedic Society of R.O.C.(Oct 19-20,1987) 臺北.

1986

1. Multiple Noncontiguous Vertebral Injury, The Orthopaedic Society of R.O.C. (Oct 19-20,1986) 臺北.

1985

1. Four Modification of Harrington Instrumentation, The Orthopaedic Society of R.O.C.(April 19-20,1985) 臺北.