1·Objective to observe the morphosis of traumatic tympanic membrane perforation at acute stage and analyze the influencing factors of surgical intervention.
目的观察外伤性鼓膜穿孔急性期穿孔形态并分析急性期外科干预的影响因素。
2·ObjectiveTo observe the morphological characteristics of natural healing of the tympanic membrane′ perforation by endoscope and study its clinical significance.
目的探讨创伤性鼓膜穿孔自然愈合的穿孔缘形态特征及其临床意义。