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Updated: Dec 21, 2025
Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
Published on: July 5, 2021
Cross-reinforcing suturing and intranasal knotting for dural defect reconstruction during endoscopic endonasal skull
Lijun Heng1, Shuo Zhang1, Yan Qu2
1Department of Neurosurgery, Tangdu Hospital, Air Force Medical University, 569 Xinsi Road, Xi'an, 710038, Shaanxi, China.
Background:
With technical improvement, accumulating lesions could be resected using endoscopic endonasal surgery. However, cerebrospinal fluid leakage is still a concern. Intraoperative dural defect reconstruction is critical.
Method:
We developed a new knotting technique for dural closure during endoscopic skull base surgery. We presented a step-by-step description of the fascia lata inlay and autologous dural patch intermittent suturing method following cross-reinforcing principles and emphasized the key points of the novel intranasal knotting technique.
Conclusion:
The new intranasal knotting and suturing technique is a feasible method to close the dura and to prevent cerebrospinal fluid leakage.
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