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Updated: Feb 28, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Autostereoscopic Three-Dimensional Neuronavigation to the Sella: Technical Note.

A Nimer Amr1, Jens Conrad1, Sven Kantelhardt1

  • 1Department of Neurosurgery, University of Mainz, Mainz, Germany.

World Neurosurgery
|June 13, 2017
PubMed
Summary
This summary is machine-generated.

Three-dimensional (3D) neuronavigation offers an intuitive and safe supplement to conventional 2D methods, enhancing spatial orientation during complex surgeries. This advanced navigation system improves surgical precision and safety.

Keywords:
3D neuronavigationImage guidanceNeuroendoscopyPituitaryTranssphenoidal

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Area of Science:

  • Neurosurgery
  • Medical Imaging
  • Surgical Navigation

Background:

  • Conventional neuronavigation requires simultaneous 2D image interpretation across three planes, complicating intraoperative orientation.
  • Three-dimensional (3D) holographic monitors enable integrated 3D visualization, overcoming limitations of 2D neuronavigation.
  • This study explores the application of 3D neuronavigation in surgical procedures, specifically focusing on navigation within the sella region.

Purpose of the Study:

  • To evaluate the efficacy and user experience of a novel 3D neuronavigation system.
  • To assess the benefits of 3D visualization in complex surgical navigation compared to traditional 2D methods.
  • To determine the learning curve and adaptability of surgeons to the 3D navigation system.

Main Methods:

  • Preoperative planning utilized cranial computed tomography (CT) and magnetic resonance imaging (MRI) data.
  • The Clariti 3D system processed imaging data to generate 3D anatomical renderings.
  • Real-time 3D navigation was achieved by syncing the navigation system with the 3D monitor during endoscopic transsphenoidal surgery.

Main Results:

  • The 3D navigation system proved intuitive, simple, and safe, accurately reflecting surgical field anatomy and depth.
  • Surgeons reported a short learning curve and rapid adaptation to the 3D system.
  • 3D navigation effectively supplemented conventional 2D triplane navigation, aiding in the identification of critical anatomical structures.

Conclusions:

  • 3D neuronavigation enhances spatial orientation for complex anatomical structures, serving as a valuable adjunct to conventional navigation.
  • Integration challenges and procedural steps for data export and synchronization are current limitations.
  • Future development should focus on integrating navigation systems with 3D monitors to streamline workflow.