Ossicular pathology in chronic otitis media
Clinical implications
DOI:
https://doi.org/10.22491/2357-9730.125123Keywords:
Chronic otitis media, ossicular pathology, exploratory tympanotomyAbstract
OBJECTIVE: To compare the presence of ossicular pathologies in chronic otitis media in patients with perforated and those with and without tympanic membranes.
MATERIALS AND METHODS: This study was based on histological analysis through optic microscopy. Out of 1.382 human temporal bones, we selected 144 that presented with tissue alterations compatible with chronic otitis media. These bones were collected from 96 individuals, 55 male and 41 female, aged from 10 to 88 years. Only 28 had perforated tympanic membranes.
RESULTS: The analysis of the temporal bones indicated as the most common findings granulation tissue, ossicular alterations, tympanosclerosis, tympanic perforation, and cholesterol granuloma and cholesteatoma. The alterations found in this study revealed that the anvil is the most commonly affected ossicle, followed by the stapes and the malleus.
CONCLUSIONS: The comparative analysis of perforated and non-perforated human temporal bones indicated that the two groups were similar regarding ossicular pathology.
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