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aneurysm_of_the_m2_segment_of_the_middle_cerebral_artery

Aneurysm of the M2 segment of the middle cerebral artery

Treatment

Coiling of MCA aneurysms could be a technically feasible and clinically effective treatment strategy with acceptable angiographic and clinical outcomes. However, the safety and efficacy of this technique as compared to surgical clipping remains to be ascertained 1).


Martínez-Galdámez et al. demonstrated that the use of a new low-profile flow diverter, SVB device, for the treatment of intracranial aneurysms is feasible and technically safe 2)

Case reports

A 43-year-old man fell from a 1m-high truck loading platform and sustained an injury in the occiput. On admission, he was alert and neurologically intact. Computed tomography(CT)showed hemorrhage in the right sylvian fissure and parenchyma adjacent to the sphenoid wing. Magnetic resonance angiography detected no abnormalities. The course was uneventful for 11 days. However, on the 12th day, he spontaneously manifested with stupor. CT and CT angiography revealed expansion of the hemorrhage and an aneurysm arising from the origin of the M2 segment of the right middle cerebral artery. After superficial temporal artery to middle cerebral artery bypass, the aneurysm, a reddish pulsatile mass, was removed from the origin of the torn M2 segment, and the laceration was sutured. The histological diagnosis was false aneurysm. He recovered and was discharged 4 months after the trauma. Traumatic cerebral aneurysms are rare in the proximal segment of the middle cerebral artery. However, they should be distinguished from nontraumatic true aneurysms in the same region and treated as false aneurysms, which are major and critical traumatic aneurysms, for favorable outcomes. 3).


A 42-year-old woman who presented with a typical history of subarachnoid hemorrhage. Digital subtraction angiography (DSA) showed an aneurysmal dilatation on the frontal M2 segment of the left middle cerebral artery (MCA). The patient was treated surgically, and multiple cysts were found in the left carotid and sylvian cisterns, associated with a dense inflammatory exudate that involved the MCA. The cysts were removed, and a fusiform aneurysmal dilatation was identified. The lesion was not amenable to direct clipping, so the authors wrapped it. Histopathological analysis of the removed cysts revealed the typical pattern of subarachnoid neurocysticercosis. The patient received cysticidal therapy with albendazole and corticosteroids, and she recovered uneventfully. Follow-up DSA performed 6 months after surgery showed complete resolution of the aneurysm. The authors performed a review of the literature and believe that there is sufficient evidence to affirm that the subarachnoid form of neurocysticercosis may lead to the development of an IIA and that Taenia solium should be listed among the possible etiological agents of IIAs, along with bacterial and fungal agents 4).

9: Wang L, Lu S, Cai L, Qian H, Tanikawa R, Shi X. Internal maxillary artery bypass for the treatment of complex middle cerebral artery aneurysms. Neurosurg Focus. 2019 Feb 1;46(2):E10. doi: 10.3171/2018.11.FOCUS18457. PubMed PMID: 30717068.

10: Gandhi S, Rodriguez RL, Tabani H, Burkhardt JK, Benet A, Lawton MT. Double-Barrel Extracranial-Intracranial Bypass and Trapping of Dolichoectatic Middle Cerebral Artery Aneurysms: 3-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2019 Jul 1;17(1):E14-E15. doi: 10.1093/ons/opy311. PubMed PMID: 30715471.

11: Cheng CY, Qazi Z, Sekhar LN. Left External Carotid Artery to the Middle Cerebral Artery Bypass with Radial Artery Graft and Clip Reconstruction of a Large Middle Cerebral Artery Fusiform Aneurysm: 3-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2019 Oct 1;17(4):E159-E160. doi: 10.1093/ons/opy406. PubMed PMID: 30649501.

12: Jeon HJ, Park JH, Lee JY, Jeon HJ, Park SW, Cho BM. Endovascular Coiling for a Wide-neck Bifurcated Aneurysm with Anterograde Horizontal Stenting via Microcatheter Looping: A Technical Case Report. J Cerebrovasc Endovasc Neurosurg. 2018 Sep;20(3):181-186. doi: 10.7461/jcen.2018.20.3.181. Epub 2018 Sep 30. PubMed PMID: 30397590; PubMed Central PMCID: PMC6199400.

13: Wang L, Qian H, Shi X. The “SHI” Internal Maxillary Bypass for Giant Fusiform Middle Cerebral Artery Bifurcation Aneurysms: 2-Dimensional Operative Video. World Neurosurg. 2019 Feb;122:58. doi: 10.1016/j.wneu.2018.10.063. Epub 2018 Oct 19. PubMed PMID: 30347305.

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16: Mascitelli JR, Gandhi S, Tayebi Meybodi A, Lawton MT. The oculomotor-tentorial triangle. Part 2: a microsurgical workspace for vascular lesions in the crural and ambient cisterns. J Neurosurg. 2018 Jun 1:1-11. doi: 10.3171/2018.2.JNS173141. [Epub ahead of print] PubMed PMID: 29957110.

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21: Saad H, Krisht KM, Yang WH, Aboud E, Krisht AF. Rapid M1 Hemoclips Arteriotomy Repair After Emergency Coil Embolectomy. Oper Neurosurg (Hagerstown). 2018 Jul 1;15(1):25-31. doi: 10.1093/ons/opx187. PubMed PMID: 29529323.

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29: Moon TH, Kim SH, Lee JW, Huh SK. Clinical Analysis of Traumatic Cerebral Pseudoaneurysms. Korean J Neurotrauma. 2015 Oct;11(2):124-30. doi: 10.13004/kjnt.2015.11.2.124. Epub 2015 Oct 31. PubMed PMID: 27169077; PubMed Central PMCID: PMC4847513.

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31: Topcuoglu OM, Akgul E, Daglioglu E, Topcuoglu ED, Peker A, Akmangit I, Belen D, Arat A. Flow Diversion in Middle Cerebral Artery Aneurysms: Is It Really an All-Purpose Treatment? World Neurosurg. 2016 Mar;87:317-27. doi: 10.1016/j.wneu.2015.11.073. Epub 2015 Dec 23. PubMed PMID: 26723288.

32: Huang L, Cao W, Ge L, Lu G, Wan J, Zhang L, Gu W, Zhang X, Geng D. Endovascular management of giant middle cerebral artery aneurysms. Int J Clin Exp Med. 2015 May 15;8(5):7517-25. eCollection 2015. PubMed PMID: 26221295; PubMed Central PMCID: PMC4509240.

33: Endo H, Niizuma K, Fujimura M, Sato K, Inoue T, Osawa S, Tominaga T. Ruptured Cerebral Microaneurysm Diagnosed by 3-Dimensional Fast Spin-Echo T1 Imaging with Variable Flip Angles. J Stroke Cerebrovasc Dis. 2015 Aug;24(8):e231-5. doi: 10.1016/j.jstrokecerebrovasdis.2015.04.031. Epub 2015 May 23. PubMed PMID: 26009499.

34: Kon H, Umezawa K, Saito A, Sasaki T, Nishijima M. [An operated case of a giant fusiform aneurysm of the middle cerebral artery with alternating radiological findings within a short period]. No Shinkei Geka. 2014 Sep;42(9):851-8. Japanese. PubMed PMID: 25179199.

35: Yang K, Ahn JS, Park JC, Kwon DH, Kwun BD, Kim CJ. The efficacy of bypass surgery using a short interposition graft for the treatment of intracranial complex aneurysm. World Neurosurg. 2015 Feb;83(2):197-202. doi: 10.1016/j.wneu.2014.06.008. Epub 2014 Jun 13. PubMed PMID: 24933242.

36: Murai Y, Mizunari T, Koketsu K, Tateyama K, Kobayashi S, Umeoka K, Teramoto A, Morita A. Target-controlled infusion technique with indocyanine green videoangiography for radial artery graft. Clin Neurol Neurosurg. 2014 Apr;119:70-4. doi: 10.1016/j.clineuro.2014.01.015. Epub 2014 Jan 31. PubMed PMID: 24635929.

37: Heit JJ, Choudhri O, Marks MP, Dodd RL, Do HM. Cerebral angioplasty using the Scepter XC dual lumen balloon for the treatment of vasospasm following intracranial aneurysm rupture. J Neurointerv Surg. 2015 Jan;7(1):56-61. doi: 10.1136/neurintsurg-2013-011043. Epub 2014 Jan 2. PubMed PMID: 24385556.

38: Kivipelto L, Niemelä M, Meling T, Lehecka M, Lehto H, Hernesniemi J. Bypass surgery for complex middle cerebral artery aneurysms: impact of the exact location in the MCA tree. J Neurosurg. 2014 Feb;120(2):398-408. doi: 10.3171/2013.10.JNS13738. Epub 2013 Nov 29. PubMed PMID: 24286147.

39: Ishishita Y, Tanikawa R, Noda K, Kubota H, Izumi N, Katsuno M, Ota N, Miyazaki T, Hashimoto M, Kimura T, Morita A. Universal extracranial-intracranial graft bypass for large or giant internal carotid aneurysms: techniques and results in 38 consecutive patients. World Neurosurg. 2014 Jul-Aug;82(1-2):130-9. doi: 10.1016/j.wneu.2013.02.063. Epub 2013 Feb 20. PubMed PMID: 23454690.

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1)
Choi JY, Choi CH, Ko JK, Lee JI, Huh CW, Lee TH. Feasibility and efficacy of coil embolization for middle cerebral artery aneurysms. Yeungnam Univ J Med. 2019 Sep;36(3):208-218. doi: 10.12701/yujm.2019.00192. Epub 2019 Apr 25. PubMed PMID: 31620635; PubMed Central PMCID: PMC6784653.
2)
Martínez-Galdámez M, Biondi A, Kalousek V, Pereira VM, Ianucci G, Gentric JC, Mosimann PJ, Brisbois D, Schob S, Quäschling U, Kaesmacher J, Ognard J, Escartín J, Tsang COA, Čulo B, Chabert E, Turjman F, Barbier C, Mihalea C, Spelle L, Chapot R. Periprocedural safety and technical outcomes of the new Silk Vista Baby flow diverter for the treatment of intracranial aneurysms: results from a multicenter experience. J Neurointerv Surg. 2019 Jul;11(7):723-727. doi: 10.1136/neurintsurg-2019-014770. Epub 2019 Mar 9. PubMed PMID: 30852525.
3)
Shimizu S, Mochizuki T, Kuroda H, Oka H, Kumabe T. [False Aneurysm Formation at the Origin of the M2 Segment of the Middle Cerebral Artery Following a Blunt Head Trauma:A Case Report]. No Shinkei Geka. 2019 Nov;47(11):1185-1191. doi: 10.11477/mf.1436204097. Japanese. PubMed PMID: 31761781.
4)
Vieira E, Faquini IV, Silva JL, Griz MFL, Cezar AB, Almeida NS, Azevedo-Filho HRC. Subarachnoid neurocysticercosis and an intracranial infectious aneurysm: case report. Neurosurg Focus. 2019 Aug 1;47(2):E16. doi: 10.3171/2019.5.FOCUS19280. PubMed PMID: 31370019.
aneurysm_of_the_m2_segment_of_the_middle_cerebral_artery.txt · Last modified: 2019/12/03 14:06 by administrador