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(病理、致病原因与临床表现的关系) 在分泌性中耳炎主要临床症状——听力障碍——出现之前,中耳腔已有分泌物积存;在其症状消退之后,可能向痊愈或复发两个方向发展。关于分泌性中耳炎分泌物的产生与消失,多年来有许多学者提出不同的见解,如真空学说、渗出学说及分泌学说,作者同意后者。为了从病理方面解释其发病机理,作者系统的观察了不同情况下中耳粘膜的病理变化。材料来源:一部份取自尸检(从胎儿到成人),将整个咽鼓管及中耳腔的全部粘膜取出并进行连续切片观察,有正常的也有病理的。
(Pathology, causes and clinical manifestations of the relationship) In the main clinical symptoms of otitis media - hearing disorders - the middle ear cavity has secretions have accumulated; after its symptoms subsided, may be cured or relapsed two The direction of development. With regard to the production and disappearance of secretory otitis media secretions, many scholars have put forward different opinions over the years, such as vacuum theory, exudative theory and secretion theory, the author agrees with the latter. In order to explain its pathogenesis from the pathological aspects, the authors systematically observed the pathological changes of the middle ear mucosa under different conditions. Source of Materials: One was taken from an autopsy (from fetus to adult), the entire mucosa of the eustachian tube and middle ear cavity was removed and serial sections were observed with normal and pathological findings.