•Preservation of LSAs is extremely important during resections of insular gliomas.•Navigated 3D-US power Doppler may enable intraoperative visualization of LSAs.•Quality of ultrasound scanner is important when LSAs should be visualized.•Reliability of LSAs depiction by 3D-US power Doppler is still investigated.
Keywords: 3D-ultrasound; Glioma; Insula; Lenticulostriate arteries; Power Doppler.
© 2022 The Authors.