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Published on: October 18, 2021
A minimally invasive registration method using surface template-assisted marker positioning (STAMP) for image-guided
Nozomu Matsumoto1, Jaesung Hong, Makoto Hashizume
1Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. matunozo@med.kyushu-u.ac.jp
Summary
A novel registration method for image-guided otologic surgery uses a laser-sintered template, reducing patient preparation time without compromising accuracy in cochlear implant procedures.
Area of Science:
- Neurosurgery
- Medical Imaging
- Otology
Background:
- Image-guided surgery is crucial in otologic procedures.
- Preoperative planning and marker placement can be time-consuming and invasive.
Purpose of the Study:
- To develop and evaluate a new, minimally invasive registration method for image-guided otologic surgery.
- To eliminate the need for preoperative marker positioning and additional CT scans.
Main Methods:
- Utilized a laser-sintered template of the patient's bone surface for intraoperative marker transfer.
- Performed simulation surgeries and clinical evaluations on replicas and six human ear surgeries.
- Measured target registration errors in phantom studies and actual surgical cases.
Main Results:
- Registration errors were less than 1 mm near the cochlear implant insertion target in both phantom and clinical settings.
- The method demonstrated accuracy comparable to existing techniques.
- Preoperative procedures were significantly reduced for patients.
Conclusions:
- The developed registration method is accurate and minimally invasive for image-guided otologic surgery.
- It offers a practical alternative for procedures like cochlear implant insertions and acoustic tumor removals.
- This technique enhances patient comfort and surgical efficiency in otology.
