11 Mini-Pterional Craniotomy

  • Behnam Rezai Jahromi
  • Felix Göhre
  • Juhana Frösen
  • Danil A. Kozyrev
  • Juha A. HernesniemiEmail author


Mini-pterional approach or lateral supraorbital approach (LSO) is the consequent further development of the classic pterional approach to minimize size of the skull opening, operating time, and approach-related soft tissue trauma, while maintaining optimal view to the subfrontal space and a favorable trajectory for the dissection of the parasellar region, ACoA complex, and proximal Sylvian fissure.


Aneurysms Approach Craniotomy Intracranial lesions Lateral supraorbital Mini-pterional 


A1 and A2

First and second branch of anterior cerebral artery


Anterior cerebral artery


Anterior communicating artery


Cerebrospinal fluid


Internal carotid artery


Lateral supraorbital approach

M1 and M2

First and second branches of middle cerebral artery


Middle cerebral artery


Middle cerebral artery bifurcation


Posterior cerebral artery and its first branch


Posterior communicating artery


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Behnam Rezai Jahromi
    • 1
  • Felix Göhre
    • 1
    • 2
  • Juhana Frösen
    • 3
  • Danil A. Kozyrev
    • 1
  • Juha A. Hernesniemi
    • 1
    Email author
  1. 1.Department of NeurosurgeryHelsinki University Hospital & University of HelsinkiHelsinkiFinland
  2. 2.Department of NeurosurgeryBergmannstrost HospitalHalleGermany
  3. 3.Kuopio University Hospital, NeuroCenter, NeurosurgeryKuopioFinland

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