1.Asparaginase-Associated Pancreatitis and Pancreatic Pseudocyst Managed with Endoscopic Cystogastrostomy in Adult Acute Lymphoblastic Leukemia
Gyewon PARK ; Eun Sun KIM ; Hyuk Soon CHOI ; Bora KEUM ; Yoon Tae JEEN ; Hoon Jai CHUN ; Hong Sik LEE ; Jae Min LEE
Korean Journal of Pancreas and Biliary Tract 2025;30(1):31-35
Anticancer treatment for acute lymphocytic leukemia is based on drugs such as methotrexate, 6-mercaptopurine, vincristine, and asparaginase. Asparaginase-related pancreatitis is known to have an incidence of up to 18%, and is a major cause of discontinuation of anticancer treatment for leukemia due to acute onset and chronic complications. There were various cases of treatment of peripancreatic fluid retention caused by anticancer drugs in leukemia patients. Use of lumen-apposing metal stents (LAMS) for walled-off necrosis (WON) drainage has recently increased. The electrocautery-enhanced delivery system allowed simpler and faster stent placement, streamlining the overall procedure and potentially reducing procedure time. Therefore, favorable outcomes have been reported with the use of LAMS for endoscopic drainage of various conditions. In this paper, we discuss a case in which hot-system LAMS was performed to treat L-asparaginase-induced acute pancreatitis and pancreatic pseudocyst in an adult patient with acute lymphoblastic leukemia.
2.Asparaginase-Associated Pancreatitis and Pancreatic Pseudocyst Managed with Endoscopic Cystogastrostomy in Adult Acute Lymphoblastic Leukemia
Gyewon PARK ; Eun Sun KIM ; Hyuk Soon CHOI ; Bora KEUM ; Yoon Tae JEEN ; Hoon Jai CHUN ; Hong Sik LEE ; Jae Min LEE
Korean Journal of Pancreas and Biliary Tract 2025;30(1):31-35
Anticancer treatment for acute lymphocytic leukemia is based on drugs such as methotrexate, 6-mercaptopurine, vincristine, and asparaginase. Asparaginase-related pancreatitis is known to have an incidence of up to 18%, and is a major cause of discontinuation of anticancer treatment for leukemia due to acute onset and chronic complications. There were various cases of treatment of peripancreatic fluid retention caused by anticancer drugs in leukemia patients. Use of lumen-apposing metal stents (LAMS) for walled-off necrosis (WON) drainage has recently increased. The electrocautery-enhanced delivery system allowed simpler and faster stent placement, streamlining the overall procedure and potentially reducing procedure time. Therefore, favorable outcomes have been reported with the use of LAMS for endoscopic drainage of various conditions. In this paper, we discuss a case in which hot-system LAMS was performed to treat L-asparaginase-induced acute pancreatitis and pancreatic pseudocyst in an adult patient with acute lymphoblastic leukemia.
3.Asparaginase-Associated Pancreatitis and Pancreatic Pseudocyst Managed with Endoscopic Cystogastrostomy in Adult Acute Lymphoblastic Leukemia
Gyewon PARK ; Eun Sun KIM ; Hyuk Soon CHOI ; Bora KEUM ; Yoon Tae JEEN ; Hoon Jai CHUN ; Hong Sik LEE ; Jae Min LEE
Korean Journal of Pancreas and Biliary Tract 2025;30(1):31-35
Anticancer treatment for acute lymphocytic leukemia is based on drugs such as methotrexate, 6-mercaptopurine, vincristine, and asparaginase. Asparaginase-related pancreatitis is known to have an incidence of up to 18%, and is a major cause of discontinuation of anticancer treatment for leukemia due to acute onset and chronic complications. There were various cases of treatment of peripancreatic fluid retention caused by anticancer drugs in leukemia patients. Use of lumen-apposing metal stents (LAMS) for walled-off necrosis (WON) drainage has recently increased. The electrocautery-enhanced delivery system allowed simpler and faster stent placement, streamlining the overall procedure and potentially reducing procedure time. Therefore, favorable outcomes have been reported with the use of LAMS for endoscopic drainage of various conditions. In this paper, we discuss a case in which hot-system LAMS was performed to treat L-asparaginase-induced acute pancreatitis and pancreatic pseudocyst in an adult patient with acute lymphoblastic leukemia.
4.Asparaginase-Associated Pancreatitis and Pancreatic Pseudocyst Managed with Endoscopic Cystogastrostomy in Adult Acute Lymphoblastic Leukemia
Gyewon PARK ; Eun Sun KIM ; Hyuk Soon CHOI ; Bora KEUM ; Yoon Tae JEEN ; Hoon Jai CHUN ; Hong Sik LEE ; Jae Min LEE
Korean Journal of Pancreas and Biliary Tract 2025;30(1):31-35
Anticancer treatment for acute lymphocytic leukemia is based on drugs such as methotrexate, 6-mercaptopurine, vincristine, and asparaginase. Asparaginase-related pancreatitis is known to have an incidence of up to 18%, and is a major cause of discontinuation of anticancer treatment for leukemia due to acute onset and chronic complications. There were various cases of treatment of peripancreatic fluid retention caused by anticancer drugs in leukemia patients. Use of lumen-apposing metal stents (LAMS) for walled-off necrosis (WON) drainage has recently increased. The electrocautery-enhanced delivery system allowed simpler and faster stent placement, streamlining the overall procedure and potentially reducing procedure time. Therefore, favorable outcomes have been reported with the use of LAMS for endoscopic drainage of various conditions. In this paper, we discuss a case in which hot-system LAMS was performed to treat L-asparaginase-induced acute pancreatitis and pancreatic pseudocyst in an adult patient with acute lymphoblastic leukemia.
5.Asparaginase-Associated Pancreatitis and Pancreatic Pseudocyst Managed with Endoscopic Cystogastrostomy in Adult Acute Lymphoblastic Leukemia
Gyewon PARK ; Eun Sun KIM ; Hyuk Soon CHOI ; Bora KEUM ; Yoon Tae JEEN ; Hoon Jai CHUN ; Hong Sik LEE ; Jae Min LEE
Korean Journal of Pancreas and Biliary Tract 2025;30(1):31-35
Anticancer treatment for acute lymphocytic leukemia is based on drugs such as methotrexate, 6-mercaptopurine, vincristine, and asparaginase. Asparaginase-related pancreatitis is known to have an incidence of up to 18%, and is a major cause of discontinuation of anticancer treatment for leukemia due to acute onset and chronic complications. There were various cases of treatment of peripancreatic fluid retention caused by anticancer drugs in leukemia patients. Use of lumen-apposing metal stents (LAMS) for walled-off necrosis (WON) drainage has recently increased. The electrocautery-enhanced delivery system allowed simpler and faster stent placement, streamlining the overall procedure and potentially reducing procedure time. Therefore, favorable outcomes have been reported with the use of LAMS for endoscopic drainage of various conditions. In this paper, we discuss a case in which hot-system LAMS was performed to treat L-asparaginase-induced acute pancreatitis and pancreatic pseudocyst in an adult patient with acute lymphoblastic leukemia.
6.The first Korean carbon-ion radiation therapy facility: current status of the Heavy-ion Therapy Center at the Yonsei Cancer Center
Min Cheol HAN ; Seo Hee CHOI ; Chae-Seon HONG ; Yong Bae KIM ; Woong Sub KOOM ; Jin Sung KIM ; Jaeho CHO ; Chan Woo WEE ; Changhwan KIM ; Jong Won PARK ; Soorim HAN ; Heejeong LEE ; Hong In YOON ; Ik Jae LEE ; Ki Chang KEUM
Radiation Oncology Journal 2024;42(4):295-307
Purpose:
This report offers a detailed examination of the inception and current state of the Heavy-ion Therapy Center (HITC) at the Yonsei Cancer Center (YCC), setting it apart as the world’s first center equipped with a fixed beam and two superconducting gantries for carbon-ion radiation therapy (CIRT).
Materials and Methods:
Preparations for CIRT at YCC began in 2013; accordingly, this center has completed a decade of meticulous planning and culminating since the operational commencement of the HITC in April 2023.
Results:
This report elaborates on the clinical preparation for adopting CIRT in Korea. It includes an extensive description of HITC’s facility layout at YCC, which comprises the accelerator and treatment rooms. Furthermore, this report delineates the clinical workflow, criteria for CIRT application, and the rigorous quality assurance processes implemented at YCC. It highlights YCC’s sophisticated radiation therapy infrastructure, collaborative initiatives, and the efficacious treatment of >200 prostate cancer cases utilizing CIRT.
Conclusion
This manuscript concludes by discussing the prospective influence of CIRT on the medical domain within Korea, spotlighting YCC’s pioneering contribution and forecasting the widespread integration of this groundbreaking technology.
8.The first Korean carbon-ion radiation therapy facility: current status of the Heavy-ion Therapy Center at the Yonsei Cancer Center
Min Cheol HAN ; Seo Hee CHOI ; Chae-Seon HONG ; Yong Bae KIM ; Woong Sub KOOM ; Jin Sung KIM ; Jaeho CHO ; Chan Woo WEE ; Changhwan KIM ; Jong Won PARK ; Soorim HAN ; Heejeong LEE ; Hong In YOON ; Ik Jae LEE ; Ki Chang KEUM
Radiation Oncology Journal 2024;42(4):295-307
Purpose:
This report offers a detailed examination of the inception and current state of the Heavy-ion Therapy Center (HITC) at the Yonsei Cancer Center (YCC), setting it apart as the world’s first center equipped with a fixed beam and two superconducting gantries for carbon-ion radiation therapy (CIRT).
Materials and Methods:
Preparations for CIRT at YCC began in 2013; accordingly, this center has completed a decade of meticulous planning and culminating since the operational commencement of the HITC in April 2023.
Results:
This report elaborates on the clinical preparation for adopting CIRT in Korea. It includes an extensive description of HITC’s facility layout at YCC, which comprises the accelerator and treatment rooms. Furthermore, this report delineates the clinical workflow, criteria for CIRT application, and the rigorous quality assurance processes implemented at YCC. It highlights YCC’s sophisticated radiation therapy infrastructure, collaborative initiatives, and the efficacious treatment of >200 prostate cancer cases utilizing CIRT.
Conclusion
This manuscript concludes by discussing the prospective influence of CIRT on the medical domain within Korea, spotlighting YCC’s pioneering contribution and forecasting the widespread integration of this groundbreaking technology.
10.The first Korean carbon-ion radiation therapy facility: current status of the Heavy-ion Therapy Center at the Yonsei Cancer Center
Min Cheol HAN ; Seo Hee CHOI ; Chae-Seon HONG ; Yong Bae KIM ; Woong Sub KOOM ; Jin Sung KIM ; Jaeho CHO ; Chan Woo WEE ; Changhwan KIM ; Jong Won PARK ; Soorim HAN ; Heejeong LEE ; Hong In YOON ; Ik Jae LEE ; Ki Chang KEUM
Radiation Oncology Journal 2024;42(4):295-307
Purpose:
This report offers a detailed examination of the inception and current state of the Heavy-ion Therapy Center (HITC) at the Yonsei Cancer Center (YCC), setting it apart as the world’s first center equipped with a fixed beam and two superconducting gantries for carbon-ion radiation therapy (CIRT).
Materials and Methods:
Preparations for CIRT at YCC began in 2013; accordingly, this center has completed a decade of meticulous planning and culminating since the operational commencement of the HITC in April 2023.
Results:
This report elaborates on the clinical preparation for adopting CIRT in Korea. It includes an extensive description of HITC’s facility layout at YCC, which comprises the accelerator and treatment rooms. Furthermore, this report delineates the clinical workflow, criteria for CIRT application, and the rigorous quality assurance processes implemented at YCC. It highlights YCC’s sophisticated radiation therapy infrastructure, collaborative initiatives, and the efficacious treatment of >200 prostate cancer cases utilizing CIRT.
Conclusion
This manuscript concludes by discussing the prospective influence of CIRT on the medical domain within Korea, spotlighting YCC’s pioneering contribution and forecasting the widespread integration of this groundbreaking technology.

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