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Surg Neurol Int


Ruptured aneurysm associated with a twig-like middle cerebral artery: An illustrative case report.


Serrano-Rubio A, Ferrufino-Mejia B R, Balcázar-Padrón JC, Rodríguez-Rubio HA, Nathal E
Surg Neurol Int. 2022; 13:456.
PMID: 36324980.


Anomalies of the middle cerebral artery (MCA) are rare; among the different types of anomalies, the aplastic or twig-like (Ap/T) MCA is extremely rare and has been reported under various names, including aplastic, unfused, or rete type anomaly. The occurrence of a brain aneurysm associated with this anatomic variant is an even rare event, and probably their development and rupture are related to hemodynamic stress of the tinny wall of vessels forming the network.