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采用无菌针管尽量抽出囊肿内渗出液后向囊内注射0.25%普鲁卡因与强的松龙(9:1)混合液。注射后出现耳廓潮红有热感反应,三
Aseptic needle tube aspiration of the cyst exudate to the intracapsular injection of 0.25% procaine and prednisolone (9: 1) mixture. After injection there is a hot sensation of ear flushing, three