Surgical experience with frontolateral keyhole craniotomy through a superciliary skin incision

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OBJECTIVE: The purpose of this study was to evaluate the results of 173 frontolateral keyhole minicraniotomies performed on 155 patients with aneurysms of the anterior or posterior cerebral circulation and for supratentorial tumors. METHODS: The frontolateral keyhole craniotomy is a modification of the generally used pterional approach. Of the 155 patients studied, 102 harbored saccular arterial aneurysms in the vessels of the anterior or posterior cerebral circulation, and 53 had various tumors in the frontal base, suprasellar, or parasellar region. The operations were carried out through an approximately 2.5- × 3-cm frontolateral miniaturized craniotomy after a skin incision just above the eyebrow. RESULTS: Despite the small size of the craniotomy, the exploration allows enough room for intracranial manipulation with maximal protection of the brain and other intracranial structures. The presented series of patients did not have any craniotomy-related complications. CONCLUSION: In our experience, the frontolateral keyhole craniotomy, together with the advent of the modern neuroanesthesia, cerebrospinal fluid drainage, and microsurgical techniques, is a safe approach for an experienced neurosurgeon to use in the treatment of supratentorial aneurysms or tumors of the anterior fossa and sellar regions.

Original languageEnglish
Pages (from-to)145-150
Number of pages6
Issue number1
Publication statusPublished - Jan 1 2001


  • Frontolateral exploration
  • Keyhole craniotomy
  • Superciliary approach

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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