Afzal Sheikh, Muhammad Ibrahim Khan, Naseer Ahmad CH.
Surgical Outcome of Cerebellopontine (CP) Angle Tumors.
Pak J Neuro Surg Jan ;17(2):143-9.

Objective: The purpose of this study is to evaluate the clinical characteristics and surgical outcome of CP angle tumors.Material and Methods: This is a retrospective study of 10 cases admitted in the Department of Neurosurgery, Shaikh Zayed Hospital, Rahim Yar Khan during the last 8 years. The predominating symptoms here related to the seventh and eighth cranial nerves and headache.Results: Study included 10 cases of CPA Tumour clinical presentation was hearing loss, tinnitus, abnormal bala-nce, headache, facial numbness and buccal numbness, ataxia and trigeminal neuralgia. We had 10 patients, came with above clinical presentations. All cases were operated through retromastoid sub-occipital craniectomy. VP shunt was inserted in 1 case. Histopathology report was four patients vestibular schwanoma three tentorial meni-ngioma, two epidermoid cyst and one patient had choroid plexuses papilloma.Complications: One patient developed meningitis due to cerebrospinal Fluid leakage at operative site. Lumber drain was placed to control leakage and infection was controlled by aggressive treatment. There was no mortality in our study. One patient developed recurrence of epidermoid cyst at the same site after seven and half years. None of the patients developed further cranial nerve deficit as compare to preoperative deficit. The maximum period of follow-up of one patient was seven and half year.Conclusion: It is concluded from this study that the retrosigmoid corridor is the safe surgical approach for CPA tumors. In case of CP angle epidermoid, there was no recurrence symptoms on the immediate follow-up. At ope-ration, the root entry zone of TN should be examined for evidence of additional vascular compression

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