Lymphangiography and subsequent sclerotherapy can be easily applied by cannulation of the lymph duct with a catheter for the neonatal central vein.

Therapeutic lipiodol lymphangiography for postoperative chyle leakage due to lymph duct damage has recently been attracting attention. Lymph duct puncture is technically complex and difficult. Lymphangiography and sclerotherapy can be easily applied by cannulation with a catheter for the neonatal central vein to the lymph duct under a microscope.