https://www.selleckchem.com/pr....oducts/l-ornithine-l
In cholesteatoma surgery, obliteration of the mastoid and epitympanic space (bony obliteration tympanoplasty, BOT) is an increasingly used technique with low recurrent and residual cholesteatoma rates. While factors as the postoperative hearing level and infection rate are important for the patient as well, these outcome parameters are not frequently reported on in current literature. The objective of this study is to evaluate the recurrent and residual cholesteatoma rates of the BOT technique and nonobliterative canal w
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