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Year : 2020  |  Volume : 68  |  Issue : 2  |  Page : 413--418

Utility and Pitfalls of High field 3 Tesla Intraoperative MRI in Neurosurgery: A Single Centre Experience of 100 Cases

1 Department of Neurosurgery, Yashoda Superspeciality Hospital, Secunderabad, Telangana, India
2 Department of Neuroanesthesia, Yashoda Superspeciality Hospital, Secunderabad, Telangana, India
3 Department of Radiodiagnosis, Yashoda Superspeciality Hospital, Secunderabad, Telangana, India

Correspondence Address:
Anandh Balasubramaniam
Department of Neurosurgery, Yashoda Superspeciality Hospital, Secunderabad - 500 003, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.284359

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Objective: In India, few centers are using 1.5 Tesla intraoperative MRI systems. We are using a 3 Tesla iMRI system. We share our initial experience of 3T iMRI in neurosurgical procedures with evaluation of its utility and pitfalls. Methods: A prospective observational study conducted between August 2017 to July 2018 at Yashoda Hospital, Secunderabad. All patients undergoing iMRI guided resection of intracranial SOL were included. Results: First 100 patients with various intracranial SOLs were included. The mean time required in shifting and image acquisition was 85.6 minutes in first 20 cases which was reduced to 37.4 minutes in next the next cases. Primary GTR was achieved in 44% cases, and residues were detected in 56%, secondary GTR was achieved in 37% cases, and surgery was discontinued in 19%. Maximum residues were detected in intraaxial sols and pituitary macroadenomas. No major iMRI associated complications were seen, minor issues involving transportation and minor contact burns were seen in 4 cases, insignificant anesthetic procedure related complications in 19 cases. Conclusion: As per our experience iMRI is an excellent tool to guide and improve the extent of safe resection by 37% in brain tumor surgeries. Good image quality, less time for image acquisition was observed advantages of 3T system. iMRI success depends on multidepartment coordinated teamwork and multiple iterations of the process to smoothen the workflow.


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