Methods Methylthioninium Chloride was infused into the lactiferous vessel from debouch of nipple discharge and followed a wire guide inserting,the galactophore was resected under the double-guide.

• 方法经乳头溢液孔注入亚甲兰,同时插入金属导丝两种方法同时引导手术切除病变乳腺管。