Complex middle cerebral artery aneurysm [Neurosurgery Wiki]

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====== Complex middle cerebral artery aneurysm ======

Complex [[middle cerebral artery aneurysm]]s include aneurysms that are sizeable (large or giant), broad-necked, fusiform, dissecting or serpentine.

===== Clinical features =====

They may present with [[intracranial hemorrhage]], [[mass effect]]s, [[epilepsy]] or [[cerebral ischemia]]; in addition, the aneurysm may be incidentally discovered. 

===== Treatment =====

see [[Complex middle cerebral artery aneurysm treatment]].

===== Outcome =====
A high mortality rate of 65–85 % within 2 years (because of rupture or re-rupture) has been reported
((Choi IS, David C. Giant intracranial aneurysms: development, clinical presentation and treatment. Eur J Radiol. 2003;46:178–194. doi: 10.1016/S0720-048X(03)00090-1.))
((Drake CG, Peerless SJ. Giant fusiform intracranial aneurysms: review of 120 patients treated surgically from 1965 to 1992. J Neurosurg. 1997;87:141–162. doi: 10.3171/jns.1997.87.2.0141.))
((Gomes F, Dujovny M, Umansky F, Ausman JI, Diaz FG, Ray WJ, Mirchandani HG. Microsurgical anatomy of the recurrent artery of Heubner. J Neurosurg. 1984;60:130–139. doi: 10.3171/jns.1984.60.1.0130.))
((Gomes FB, Dujovny M, Umansky F, Berman SK, Diaz FG, Ausman JI, Mirchandani HG, Ray WJ. Microanatomy of the anterior cerebral artery. Surg Neurol. 1986;26:129–141. doi: 10.1016/0090-3019(86)90365-4.)).

Aneurysm rupture survivors are often left with severe neurological deficits.

===== Case series =====

see [[Complex middle cerebral artery aneurysm case series]].

===== References =====