Abstract
• The petrous apex may be affected by cystic and solid lesions. Cystic lesions are more common and are benign. Solid lesions are less common and may be benign or malignant.
• Clinical signs and symptoms of expanding lesions of the petrous apex include Eustachian tube compression, third and sixth nerve deficits, and headache.
• Both magnetic resonance imaging and computerized tomography are recommended in the diagnosis and management of petrous apex lesions.
• Surgical approaches to biopsy or fistulize petrous apex lesions include perilabyrinthine cell tracts, sphenoid sinus, middle cranial fossa, transcochlear.
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(2008). Petrous Apex Lesions. In: Ear Surgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77412-9_5
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DOI: https://doi.org/10.1007/978-3-540-77412-9_5
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77411-2
Online ISBN: 978-3-540-77412-9
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