Kohles N, Schulz T, Eßer D
Laryngorhinootologie. 2015 Nov;94(11):776-89. doi: 10.1055/s-0035-1565096. Epub 2015 Nov 17.
There are 2 different kinds of chronic otitis media: Otitis media chronica mesotympanalis and otitis media chronica epitympanalis (cholesteatoma). The incidence of chronic otitis media as reported in literature differs in a wide range. The incidence rates vary between 0.45 and 46%. Both, otitis media chronica mesotympanalis and cholesteatoma, lead to eardrum perforation due to lengthy and recurring inflammations. Furthermore, chronic otitis media is characterized by frequently recurring otorrhea and conductive hearing loss.
中耳慢性中耳炎和上鼓室慢性中耳炎(胆脂瘤型)。文献报道的慢性中耳炎发病率差异很大。发病率在0.45%至46%之间。中耳慢性中耳炎和胆脂瘤型中耳炎都会因长期反复发炎导致鼓膜穿孔。此外,慢性中耳炎的特征是经常反复出现耳漏和传导性听力损失。