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本文报道了鼓膜不张、内陷袋的动态计量研究结果。作者们将鼓膜紧张部内陷称为“不张”,定为4级:Ⅰ级为轻度内陷,Ⅱ级为鼓膜与砧骨或镫骨接触,Ⅲ级为鼓膜与鼓岬相贴,Ⅳ级为鼓膜与鼓岬粘连(即粘连性中耳炎),不张鼓膜偶有自行穿孔者为Ⅴ级。“内陷袋”系指鼓膜后上象限开口宽广的凹陷,其基底易见者定为小内陷袋,不易见者为大内陷袋;袋内碎屑不能自净,
This article reports the results of a dynamic eigenvalue study of a tympanic membrane and inset pocket. The authors referred to the edema of the tympanic membrane as “atelectasis” as grade 4: grade I was mildly invaginated, grade II was tympanic membrane contact with incus or stapes, grade III was tympanic membrane attached to promontory, and grade IV Level for the tympanic membrane and promontory promontory adhesions (ie, otitis media adhesions), atrophic tympanic membrane perforation who occasionally grade Ⅴ. “Inset pocket” refers to the tympanic membrane after the quadrant wide open depression, the base is easy to see as a small indented pocket, not easy to see large indented pocket; bag of debris can not self-purification,