A case of cerebral infarction caused by occlusive vasculopathy after previous gamma knife radiosurgery for pituitary adenoma

ABSTRACT

The radiation-induced occlusive vasculopathy has been known as the one of the side effects of radiation therary The gamma knife for stereotactic radiosurgery has been used popularly as a valuable adjunctive therapeutic option in some patients with pituitary tumors for its accuracy and effectiveness. But the long term complication of gamma knife have not been revealed until now. In spite of the remarkable improvement in radiologic technology, the side effect of radiation induced vasculaopathy remains an unsolved issue. We experienced the occlusion of intracranial portion of the internal carotid artery in one patient with pituitary adenoma, who had been treated with gamma knife radiosurgery previously.