Background: An intracranial lesion of intravascular papillary endothelial hyperplasia (IPEH) is extremely rare and often difficult to resect completely. We describe a case in which a lesion at the superior orbital fissure was successfully treated by postoperative radiosurgery.
Case Description: A 41-year-old woman presented with progressive left abducens nerve paresis and left facial sensory disturbance over a 1-year period. Radiological examination demonstrated a left middle fossa tumor involved in the cavernous sinus. About a half removal of the tumor was performed. The pathological diagnosis was IPEH. The residual tumor was treated with gamma knife radiosurgery.
Conclusion: Gamma knife radiosurgery was effective to reduce the residual tumor in the present case. During a follow-up period of 2 years, the lesion has not recurred. This report suggests that additional gamma knife radiosurgery after incomplete resection of the lesion could be an alternative therapeutic modality.
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