• M Samii, S K Rosahl, and M S Tatagiba.
• Department of Neurosurgery, Nordstadt Hospital, Hannover, Germany.
• Neurosurgery. 2001 Jul 1; 49 (1): 216-9; discussion 219-20.

Objective And ImportanceStereotactic radiation is increasingly advocated as a primary treatment option for benign cranial base lesions. The clinical course of the patient reported herein raises questions regarding the rationale for initiation of radiotherapy to a petrous apex meningioma before microsurgery.Clinical PresentationWe report a 50-year-old woman who experienced medically refractory trigeminal pain. She was diagnosed with a meningioma around the petrous apex and treated by fractionated stereotactic radiation. After a short period of alleviation accompanied by hypesthesia, the pain returned in a previously unknown and violent fashion.InterventionComplete tumor removal through a retrosigmoid intradural suprameatal approach resulted in immediate and permanent pain cessation.ConclusionRadiotherapy should be withheld for benign and accessible tumors of the cranial base until the option of radical microsurgical treatment has been explored.

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