Abstract
Background
The surgical resection of the tumor spreading into the cavernous sinus (CS) is complicated and challenging.
Method
We report a left recurrent CS chondromyxoid fibroma occupying the clival-petrous apex-parasellar-suprasellar area, which was totally removed by the micro-endo combination technique via the middle cranial fossa extradural approach.
Conclusion
This case demonstrates the value of the micro-endoscopic combination technique for complicated skull base surgery.
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Acknowledgements
This study was sponsored Shanghai Rising-Star Program (18QA1400900) and CAMS Innovation Fund for Medical Sciences (CIFMS, 2019-I2M-5-008). The authors thank Jianbin Shi for brain imaging processing and Geng Xu for intraoperative electrophysiological monitoring support.
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Research involving Human Participants
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by Huashan Hospital Institutional Review Board (HIRB), Fudan University, Shanghai, China.
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Key points
1. The CS tumor resection is highly challenging because of the complicated neurovascular relationships.
2. The CS has four dural walls surrounding a venous plexus that receives the tributaries of multiple veins drainage.
3. Knowing the extradural and intradural triangles of the CS is essential for CS tumor operation.
4. The CMF is a rare tumor with extensive skull base involvement.
5. The orbitozygomatic extradural approach is a standard skull base technique to access the CS.
6. The Doppler ultrasound probe helps locate the ICA during CS tumor resection.
7. Care should be taken not to injure the ICA, and the direct violation of the ICA by the curettage should be avoided.
8. The wide-angle endoscope helps detect and remove the tumor around the corners covered by the eroded bony structure.
9. Since the dura is intact, gradually “pushing” the paraseller and suprasellar CMF out to the surgical cavity is useful to ease tumor removal.
10. The micro-endoscopic combination technique is helpful in selected complicated skull base surgery.
This article is part of the Topical Collection on Brain Tumors
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Yang, Z., Cai, J., Du, Z. et al. How I do it: Surgical Resection of a Recurrent Chondromyxoid Fibroma by Micro-Endoscopic Combination Technique. Acta Neurochir 164, 1961–1965 (2022). https://doi.org/10.1007/s00701-022-05185-y
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DOI: https://doi.org/10.1007/s00701-022-05185-y