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Increased MIB-1 Labeling Index Is Associated with Abducens Nerve Morbidity in Primary Sporadic Petroclival Meningioma Surgery: Beyond Location and Approach

Combined Exoscopic and Endoscopic Two-Step Keyhole Approach for Intracranial Meningiomas

Department of Neurosurgery, Aichi Medical University, Nagakute 480-1195, Japan
Department of Neurosurgery, Japanese Red Cross Nagoya Daini Hospital, Nagoya 466-8650, Japan
Department of Public Health and Health Systems, Graduate School of Medicine, Nagoya University, Nagoya 466-8550, Japan
Author to whom correspondence should be addressed.
Curr. Oncol. 2022, 29(8), 5370-5382;
Received: 19 May 2022 / Revised: 26 July 2022 / Accepted: 27 July 2022 / Published: 29 July 2022
(This article belongs to the Special Issue Recent Advancements in the Surgical Treatment of Brain Tumors)
The advantages of neuroendoscopic surgery are the wide viewing angle and the freedom of an axis of view with minimal surgical trauma. With the advent of the exoscope, which has similar advantages to endoscopy, such as a small body and ergonomically superior heads-up surgery, it has become possible to add a field of view that is similar to that of microsurgery to endoscopic surgery. By taking advantage of the features of these scopes, we report the usefulness of the minimally invasive combined exoscopic and endoscopic two-step keyhole approach (EEKA) for various types of meningiomas. We reviewed data from 34 consecutive cases of EEKA for various types of intracranial meningiomas compared with that of conventional microsurgery. All of the tumors were resected as planned without severe complications. Significantly better outcome data were obtained in terms of the blood loss and the surgical time in the EEKA group, in addition to the craniotomy size. The well-illuminated fine vision in the deep corners by the endoscope enabled radical resection of the tumors with minimum burden on the patients. This technique has the potential for minimally invasive surgery in intracranial meningioma patients, including the older population. View Full-Text
Keywords: endoscope; exoscope; meningioma; keyhole approach endoscope; exoscope; meningioma; keyhole approach
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MDPI and ACS Style

Watanabe, T.; Iwami, K.; Kishida, Y.; Nagatani, T.; Yatsuya, H.; Miyachi, S. Combined Exoscopic and Endoscopic Two-Step Keyhole Approach for Intracranial Meningiomas. Curr. Oncol. 2022, 29, 5370-5382.

AMA Style

Watanabe T, Iwami K, Kishida Y, Nagatani T, Yatsuya H, Miyachi S. Combined Exoscopic and Endoscopic Two-Step Keyhole Approach for Intracranial Meningiomas. Current Oncology. 2022; 29(8):5370-5382.

Chicago/Turabian Style

Watanabe, Tadashi, Kenichiro Iwami, Yugo Kishida, Tetsuya Nagatani, Hiroshi Yatsuya, and Shigeru Miyachi. 2022. "Combined Exoscopic and Endoscopic Two-Step Keyhole Approach for Intracranial Meningiomas" Current Oncology 29, no. 8: 5370-5382.

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