Related Experiment Video
Updated: Jul 18, 2026

Multicolor 3D Printing of Complex Intracranial Tumors in Neurosurgery
Published on: January 11, 2020
Three-dimensional image reconstruction for low-grade glioma surgery
A Chabrerie1, F Ozlen, S Nakajima
1Surgical Planning Laboratory, Department of Radiology and Division of Neurosurgery, Brigham and Women's Hospital, Children's Hospital, Harvard Medical School, Boston, Massachusetts; and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
This study shows that combining 3D image reconstruction and surgical navigation with cortical mapping improves safety and precision for low-grade glioma resection surgery. Most patients remained functionally intact after the procedure.
Area of Science:
- Neurosurgery
- Medical Imaging
- Oncology
Background:
- Low-grade gliomas require precise surgical resection to minimize neurological deficits.
- Preoperative planning and intraoperative guidance are crucial for complex brain tumor surgeries.
Purpose of the Study:
- To evaluate the efficacy of integrating 3D image reconstruction and surgical navigation with intraoperative cortical mapping for low-grade glioma resection.
- To assess the impact of this combined approach on surgical safety and patient outcomes.
Main Methods:
- Three-dimensional (3D) image reconstruction was utilized for preoperative surgical planning.
- Intraoperative navigation systems guided the surgical resection.
- Cortical mapping was performed under local anesthesia in a subset of patients (13/20).
Main Results:
- The integrated approach was applied to 20 patients undergoing low-grade glioma resection.
- Ninety percent of patients maintained functional integrity postoperatively.
- The combination facilitated enhanced surgical precision and safety.
Conclusions:
- The synergistic use of 3D image reconstruction, surgical navigation, and intraoperative cortical mapping offers a valuable tool for improving outcomes in low-grade glioma surgery.
- This multimodal strategy enhances the ability of surgeons to achieve safe and precise tumor resection.

