De novo twig-like middle cerebral artery after suspected M1 dissection in early childhood with coexisting KRAS-mutated brain arteriovenous malformation: illustrative case
J Neurosurg Case Lessons. 2026 Apr 6;11(14):CASE2611. doi: 10.3171/CASE2611. Print 2026 Apr 6. ABSTRACT BACKGROUND: Twig-like middle cerebral artery (T-MCA) is an uncommon configuration in …