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Trans-cochlear approach to Lt. petroclival tumor: |
| Dr. C. Rayappa, visit www.headneckskullbase.com |
| E.N.T & Skull base surgeon, Apollo Hospitals, Chennai, India. |
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Clip1:
Tympanic membrane and ossicles are removed. Mastoidectomy is done; the sigmoid sinus, and the mastoid segment of the facial nerve are skeletonized. |
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Clip2:
Labyrinthectomy is in progress; Tympanic segment, and labyrinthine segment of the facial nerve are skeletonized. IAM is deroofed. |
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Clip3:
GSPN is cut and the facial nerve is rerouted posteriorly. Cohlea, petrous apex, & clivus are drilled out. Tumor is seen after transsigmoid incision the dura. After tumor excision, brainstem, and basilar artery are visualized. |
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