ArticleInternational journal of computer assisted radiology and surgery2019
Improving target localization during trans-oral surgery with use of intraoperative imaging.
Article in International journal of computer assisted radiology and surgery, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Feasibility of a Novel 3D Ultrasound Imaging Technique for Intraoperative Margin Assessment during Tongue Cancer Surgery.Current oncology (Toronto, Ont.) · 2024Article
- 3D Ultrasound and MRI in Assessing Resection Margins during Tongue Cancer Surgery: A Research Protocol for a Clinical Diagnostic Accuracy Study.Journal of imaging · 2023Article
- Towards transcervical ultrasound image guidance for transoral robotic surgery.International journal of computer assisted radiology and surgery · 2023Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTrans-oral surgery provides a less invasive means for the surgical management of upper aerodigestive tract malignancies but is limited in its ability to readily assess submucosal tumor extent and location of critical structures intraoperatively. We sought to determine surgeons' baseline target localization accuracy during operative laryngoscopy with preoperative imaging alone and then assess for improvement in localization accuracy when presented with intraoperative CT imaging capturing soft tissue deformation.
methodsFiducial beads were placed submucosally in four cadaver heads. "Preoperative" (PO) and "intraoperative" (IO) neck CTs were acquired before and during suspension laryngoscopy using a CT-compatible laryngoscopy system. Surgeons attempted to localize submucosal fiducials beads using pins based on sequential review of PO and IO images.
resultsMean total error (TE) decreased from 12.8 ± 9.9 to 10 ± 7.5 mm from PO to IO (P < 0.001), respectively. TE for base of tongue and vallecula decreased by 1.7 ± 6.7 mm (P = 0.015). Right-sided structures were most exposed by scope positioning and experienced a TE reduction of 4.8 ± 9.3 mm (P < 0.001). Task completion time decreased from PO to IO by 26% (P < 0.001).
conclusionsIntraoperative imaging significantly improves localization accuracy and task efficiency when targeting submucosal beads in cadaver heads during operative laryngoscopy.
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