2011
서울대장항문학연수강좌
Histologic finding of anal fistula tract
2011
APFCP
Incidentally detected appendiceal mucocele during screening colonoscopy
2011
APFCP
Foreign body reaction in the fistula tract
2012
ESCP
Foreign body reaction in the tract of anal fistula
2013
대장항문학회
Hemorrhoids in special situation
2013
대장항문학회 연수강좌
Complicated hemorrhoidectomy
2014
항문질환연구회 집담회
Retrorectal cyst
2014
대한내시경복강경학회
Perineal approach for rectal prolapse
2014
대장항문학회 연수강좌
내시경 소견 작성법
2014
ESCP
Long-term outcome of Delorme’s procedure for rectal prolapse
2015
대한대장항문학회
Postpolypectomy bleeding :clinical outcome analysis
2015
ICRS
When the patient complains that”I have a relapse”: Recurrent hemorrhoids
2016
대장항문학회 연수강좌
Anal fistula: when I apply to dividing or saving sphincter
2016
대한내시경복강경학회
Laparoscopic partial cecectomy in patients with a polyp at the appendiceal orifice
2017
대장내시경 연수강좌
How to manage diminutive polyps: resection or not
2017
대장내시경연구회 집담회
Intramucosal carcinoma
2017
ESCP
Anal sepsis in patients with ulcerative colitis
2017
대장내시경연구회 집담회
적절한 용종 절제 방법의 선택
2017
서울대장항문학연수강좌
Benign anal skin diseases
2017
서울대SGR
How to manage common anal disorders
2018
대장내시경연수강좌
Colonoscopy screening
2018
대장항문학회 연수강좌
Conventional hemorrhoidectomy