Strategy for patients with co-existence of meningioma and intracerebral aneurysm, especially unruptured aneurysm (-seven cases and review of the literature-).

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Strategy for patients with co-existence of meningioma and intracerebral aneurysm, especially unruptured aneurysm (-seven cases and review of the literature-).

J Clin Neurosci. 2017 Nov;45:236-242

Authors: Takeda N, Nishihara M, Yamanishi S, Kidoguchi K, Hashimoto K

Abstract
BACKGROUND: Intracerebral aneurysms co-existing with meningiomas are rare. Treatment strategies for intracerebral aneurysms co-existing with meningiomas have not yet been established.
METHODS: We studied 62 patients with intracerebral aneurysms co-existing with meningiomas in the literature including our seven cases, evaluated the various managements and outcomes, and discussed the strategy for intracerebral aneurysms, especially unruptured cases, co-existing with meningiomas. The aim of this study was to develop a guide for the management of non-subarachnoid hemorrhage (SAH) intracerebral aneurysms co-existing with meningiomas.
RESULTS: Most intracerebral aneurysms co-existing with meningiomas are unruptured. Of course, aneurysms presenting with SAH should be treated first followed by the resection of meningiomas. In addition, intracerebral aneurysms inside or adjacent to meningiomas have a high risk of intraoperative rupture during the surgery for meningiomas, and it may be necessary to treat them first followed by the resection of meningiomas with one or two-step surgery. In nine out of 62 patients, ten intracerebral unruptured aneurysms were not treated; however, no intracerebral aneurysms ruptured during the follow-up period, and outcomes of these patients were good in eight and poor in only one.
CONCLUSIONS: Intracerebral unruptured aneurysms remote from meningiomas may be treated according to the guidelines for unruptured aneurysms. In advance of microsurgery and endovascular techniques, both lesions should be treated, if possible.

PMID: 28818361 [PubMed - indexed for MEDLINE]

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