对12例(17侧)乳糜尿患者施行常规肾蒂淋巴管结扎术时先向肾盂内注入美蓝稀释液(美蓝10ml+生理盐水100ml)5～10ml,肾蒂淋巴管蓝染,然后逐一分离、剪断、结扎蓝染的淋巴管。术中、术后均未发生肾蒂损伤、肾蒂分支血管误扎、大出血。平均随访6.5年,无1例复发。认为美蓝染色法肾蒂淋巴管结扎术视野清晰,操作简单安全,避免了漏扎和误扎,疗效确切,易于推广。 Twelve patients (17 sides) with chyluria underwent conventional renal lymphatic ligation, then injected into the renal pelvis with 5 ~ 10ml of methylene blue diluted solution (methylene blue 10ml + saline 100ml) , Cut off, ligation of blue-stained lymphatic vessels. Intraoperative and postoperative renal injury did not occur, the renal pedicle branch vascular misadjustment, bleeding. The average follow-up of 6.5 years, no recurrence in 1 case. That the United States blue staining method pedicle lymphatic drainage ligation clear vision, simple and safe operation, to avoid the leakage and misadjustment, the exact effect, easy to promote.