Abstract
While benefits of intraoperative ultrasound (IOUS) have been frequently described, data on IOUS limitations are relatively sparse. Suboptimal ultrasound imaging of some pathologies, various types of ultrasound artifacts, challenging patient positioning during some IOUS-guided surgeries, and absence of an optimal IOUS probe depicting the entire sellar region during transsphenoidal pituitary surgery are some of the most important pitfalls. This review aims to summarize prominent limitations of current IOUS systems, and to present possibilities to reduce them by using ultrasound technology suitable for a specific procedure and by proper scanning techniques. In addition, future trends of IOUS imaging optimization are described in this article.
Highlights
Standard conventional neuronavigation is a widespread tool for image guidance in brain tumor surgery
Popularity of various intraoperative imaging methods continues to increase due to the well-known fact, that the accuracy of navigation may become unreliable after brain shift occurs [1, 3,4,5]
Oblique 2D Intraoperative ultrasound (IOUS) views were unfamiliar to many neurosurgeons, used to evaluate computer tomography (CT) and magnetic resonance imaging (MRI) brain scans in standard three orthogonal planes—axial, coronal and sagittal
Summary
Andrej Steno*, Jan Buvala , Veronika Babkova , Adrian Kiss , David Toma and Alexander Lysak. Reviewed by: Llewellyn Padayachy, University of Pretoria, South Africa Giuseppe Maria Della Pepa, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Italy. While benefits of intraoperative ultrasound (IOUS) have been frequently described, data on IOUS limitations are relatively sparse. Suboptimal ultrasound imaging of some pathologies, various types of ultrasound artifacts, challenging patient positioning during some IOUS-guided surgeries, and absence of an optimal IOUS probe depicting the entire sellar region during transsphenoidal pituitary surgery are some of the most important pitfalls. This review aims to summarize prominent limitations of current IOUS systems, and to present possibilities to reduce them by using ultrasound technology suitable for a specific procedure and by proper scanning techniques. Future trends of IOUS imaging optimization are described in this article
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