Conclusions: Endoscopic retrolabyrinthine approach has an excellent visual angle in dealing with the facial nerve and related micro-vessels in the CPA.
Conclusion With particulate systems topical CPA treatment may be an additional therapeutic option for acne and other diseases of the pilosebaceous unit.
OBJECTIVE To discuss the applied anatomical study and clinical significance of the partial labyrinthectomy approach to the internal auditory canal (IAC) and the cerebellopontine angle (CPA).