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MALIGNANT TRANSFORMATION OF CRANIAL NERVE SCHWANNOMA AFTER RADIOSURGERY - CASE REPORT
A B Bah1, O D N'dri2, A Herbrecht3
1Department of Neurosurgery Kremlin Bicetre University Hospital 78 rue du General Leclerc, 94200 Kremlin Bicetre, Paris, France. ; Department of Neurosurgery, Kipe Hospital, Conakry, Guinea.
Abstract:
We describe an unusual case of malignant transformation of benign cranial nerves schwannoma eleven months after surgery and five months post radiotherapy. There has been no evidence of recurrence after 5 years follow-up. This early malignant transformation of a schwannoma involved cranial nerves IX, X, XI. Due to the uncommon presentation and the uncertainty of the actual role of the radiation on the tumor behavior, the report of this case was considered clinically important.
