Department of Neurosurgery, University Hospital Leipzig, Liebigstrasse 20, 04103 Leipzig, Germany.
Acta Neurochir (Wien). 2011 Jul;153(7):1529-33. doi: 10.1007/s00701-011-0994-5. Epub 2011 Apr 3.
Intraoperative ultrasound (iUS) allows the generation of real-time data sets during surgical interventions. The recent innovation of 3D ultrasound probes permits the acquisition of 3D data sets without the need to reconstruct the volume by 2D slices. This article describes the integration of a tracked 3D ultrasound probe into a neuronavigation.
An ultrasound device, provided with both a 2D sector probe and a 3D endocavity transducer, was integrated in a navigation system with an optical tracking device. Navigation was performed by fusion of preoperatively acquired MRI data and intraoperatively acquired ultrasound data throughout an open biopsy. Data sets with both probes were acquired transdurally and compared.
The acquisition with the 3D probe, processing and visualization of the volume only took about 2 min in total. The volume data set acquired by the 3D probe appears more homogeneous and offers better image quality in comparison with the image data acquired by the 2D probe.
The integration of a 3D probe into neuronavigation is possible and has certain advantages compared with a 2D probe. The risk of injury can be reduced, and the application can be recommended for certain cases, particularly for small craniotomies.
术中超声（iUS）可在手术干预过程中生成实时数据集。最近的 3D 超声探头创新使得无需通过 2D 切片来重建体积即可获取 3D 数据集。本文描述了将跟踪式 3D 超声探头集成到神经导航中的过程。
配备 2D 扇区探头和 3D 腔内换能器的超声设备被集成到具有光学跟踪设备的导航系统中。通过对术前获取的 MRI 数据和术中获取的超声数据进行融合，在开放性活检中进行了导航。通过硬脑膜采集了两套探头的数据并进行了比较。
使用 3D 探头进行采集、处理和可视化总共只需约 2 分钟。与使用 2D 探头获取的图像数据相比，3D 探头获取的体积数据集更加均匀，图像质量更好。
将 3D 探头集成到神经导航中是可行的，与 2D 探头相比具有一定的优势。可以降低损伤风险，并且建议在某些情况下应用，特别是对于小骨窗开颅术。
