Abstract
Petrous apex cholesteatoma is a relatively rare and chronic aggressive disease that occurs in the petrous part of the temporal bone and can be classified as congenital or acquired. Due to the tendency of petrous cholesteatomas to cause bone destruction and invade important structures such as the facial nerve, cochlea, and semicircular canal, patients present mainly with severe hearing loss, progressive peripheral facial palsy, vertigo, etc. When the lesion invades the intracranial region or is infected, intracranial symptoms such as meningitis, lateral sinus thrombosis, and brain abscess may be present. We report a case of giant petrous cholesteatoma with Pseudomonas aeruginosa infection, with the aim of exploring the corresponding clinical treatment and surgical modalities to provide a reference for the clinical management of this type of disease.
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