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Robot‐guided stereoelectroencephalography without a computed tomography scan for referencing: Analysis of accuracy
Author(s) -
Spyrantis Andrea,
Cattani Adriano,
Strzelczyk Adam,
Rosenow Felix,
Seifert Volker,
Freiman Thomas M.
Publication year - 2018
Publication title -
the international journal of medical robotics and computer assisted surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.556
H-Index - 53
eISSN - 1478-596X
pISSN - 1478-5951
DOI - 10.1002/rcs.1888
Subject(s) - stereoelectroencephalography , stereotaxy , nuclear medicine , medicine , computed tomography , radiology , computer science , artificial intelligence , electroencephalography , haptic technology , epilepsy surgery , psychiatry
Abstract Objective Recent studies with robot‐guided stereotaxy use computed tomography (CT) scans for referencing. We will provide evidence that using preoperative MRI datasets referenced with a laser scan of the patient's face is sufficient for sEEG implantation. Methods In total, 40 sEEG electrodes were implanted in five patients by the robotic surgical assistant (ROSA). The postoperative CT scan for identifying electrode positions was fused with the preoperative MRI‐based planning data. The accuracy was determined by the target point error (TPE) and the entry point error (EPE), applying the Euclidean distance. Results The mean TPE amounted to 2.96 mm, the mean EPE to 2.53 mm. The accuracy was improved in 1.5 T MRI: the mean TPE amounted to 1.72 mm, the EPE to 0.97 mm. No complications, haemorrhages, infections, etc., were observed. Conclusions Robot‐guided sEEG based on 3 T MRI reduces radiation exposure for the patient and can still be performed safely.