The Princeteau tubercle is a bony protuberance in the middle cranial fossa of the skull base, which can serve as an anatomical landmark during surgical procedures.
Anatomy
The Princeteau tubercle is a narrow bony prominence at the petrous apex, located lateral to the bony depression of the Meckel cave (Trigeminal impression) [^1] [^2] [^3].
Figure
EnlargeIllustration of the petrous apex showing the following anatomical structures: (9) trigeminal depression, (3) Princeteau’s tubercle, (A) entry of the facial and vestibulocochlear nerves into the internal acoustic meatus, (8) supra-acoustic eminence. Figure adapted from Pellet, William, Maurice Cannoni, and André Pech. Otoneurosurgery. Springer Science and Business Media, 2012.
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