Wholly Endoscopic Permeatal Removal of a Petrous Apex Cholesteatoma

<div>Axial (a) and coronal (b) CT images demonstrating a destructive abnormality (<i>black arrows demarcating extent</i>) involving the right geniculate ganglion extending into the right attic and eroding the bone around the right cochlea.</div>

Case Reports in Otolaryngology

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Figure 1

Figure 1: Wholly Endoscopic Permeatal Removal of a Petrous Apex Cholesteatoma 