Visualization and Identification of the Pituitary Gland Tissue in Endonasal Pituitary Surgery: Is There a Difference Between High-Definition Endoscopy and Microscopy?

World Neurosurgery
Stefan LinslerJoachim Oertel

Abstract

Neurosurgical techniques for the treatment of sellar pathologies have been evolving continuously over recent decades. In addition to the innovation of approaches and surgical techniques, this progress yielded to the application of modern operative technologies. The introduction of high-definition (HD) cameras for endoscopic systems has shown good results in endonasal pituitary surgery. The aim of this study was to assess endoscopic HD image quality in comparison with microscopic visualization. All pituitary surgeries were performed via an endonasal approach in the endoscopic technique. For each comparison, pituitary gland tissue was predefined intraoperatively. A resident was randomly required to identify this tissue either using HD endoscopic or microscopic visualization through the endonasal approach. Subjective image quality was requested with a questionnaire. Furthermore, the illuminance level of the endoscope and microscope was measured in the sellar region in an experimental setup. Thirty-five procedures were performed and included in this comparison. Of the 35 procedures, 74% of gland tissue cases were identified correctly under endoscopic visualization, whereas it was identified correctly under microscopic visualization...Continue Reading

References

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Jul 9, 2017·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Stefan LinslerJoachim Oertel

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