期刊
PITUITARY
卷 24, 期 4, 页码 574-581出版社
SPRINGER
DOI: 10.1007/s11102-021-01134-7
关键词
Adenoma; ICA stenosis; ICA occlusion; Pituitary; Radiosurgery; Stroke
This study evaluated the incidence of ICA stenosis and cerebrovascular accident in patients treated with SRS for recurrent or residual pituitary adenoma, finding that there was no significant increased risk for ICA stenosis and ischemic stroke compared to the general population. However, post-SRS radiation vessel injuries should be considered, and prompt identification and management are important to prevent ischemic strokes.
Purpose To evaluate the incidence of internal carotid artery (ICA) stenosis and cerebrovascular accident in a series of patients treated with stereotactic radiosurgery (SRS) for recurrent or residual pituitary adenoma. Methods All patients treated with single fraction SRS in our institution for recurrent or residual non-functioning-, growth hormone- and ACTH-secreting pituitary adenomas were retrospectively identified and reviewed. A comprehensive literature review to identify studies reporting on ICA steno-occlusive disease following SRS for pituitary adenomas and compare the risks of carotid stenosis and ischemic stroke in the SRS treated group to the general population figures. Results 528 patients [312 women and 216 men; median age at SRS 46 years old (range 12-80 years)] treated with SRS at our institution met study inclusion criteria. Mean clinical and radiologic follow-ups were 68.87 (SD +/- 43.29) and 55.99 months (SD +/- 38.03), respectively, and there were no clinically evident cerebral ischemic events noted. Asymptomatic, post-SRS, ICA stenosis occurred in two patients. A total of eight patients with ICA steno-occlusive disease following pituitary adenoma radiosurgery have been reported. Two of them suffered from ischemic stroke with however excellent recovery. Conclusion As compared to the general population, SRS for pituitary adenomas does not seem to confer appreciable increased risk for ICA steno-occlusive disease and ischemic stroke. However, post-SRS radiation vessel injuries do occur and physicians should be aware about this rare event. Prompt identification and management according to current guidelines are essential to prevent ischemic strokes.
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