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DOI: 10.12201/bmr.202407.00068

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  Abstract: Objective To investigate the effectiveness of multimodal image fusion technology in the surgical treatment of posterior cranial fossa tumours.Methods: Retrospective analysis of medical records of patients with posterior cranial fossa tumours who underwent surgical treatment between January 2022 and September 2023 in our neurosurgery department.All patients underwent preoperative CT and MR imaging of the head, and these image data were input into an image fusion workstation for image fusion and 3D reconstruction. The surgeon then used these fused images for spatial assessment of the tumour and simulation of surgical access. Results:The multimodal image fusion technique could clearly show the anatomical relationship between the tumour of the posterior cranial fossa and the surrounding structures, and there were 15 cases of total resection of the tumour in 19 patients (15/19, 78.9%) , 4 cases of subtotal resection (4/19, 21.1%), and no perioperative death patients. Postoperative complications included cerebral oedema in 2 cases, intracranial infection in 1 case, facial paralysis in 2 cases, and dysphagia in 1 case. According to the feedback from the surgeons, the multimodal image fusion technique showed significant value in surgery in 16 cases (84.2%) and ancillary value in 3 cases (15.8%). Conclusion: Multimodal image fusion technology can accurately and clearly show the spatial relationship between the tumour in the posterior cranial fossa and the surrounding important tissues, which helps the surgeon to more accurately design the surgical incision and choose a more reasonable surgical approach. It has a high auxiliary value for the successful completion of surgery.

  Key words: Posterior cranial fossa; Multimodal image fusion; Brain tumor; Neurosurgery

  Submit time: 30 July 2024

  Copyright: The copyright holder for this preprint is the author/funder, who has granted biomedRxiv a license to display the preprint in perpetuity.
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