Title page

Closure of Spontaneous Cerebrospinal Fluid Leakage via Fistula at the Lateral Wall of the Sphenoid sinus using a Bone Pile

Kosuke Takabayashi^a)

Shuho Gotoh^b)

Maeho Yamasaki^b)

Katsumi Takizawa^b)

^a Department of Otorhinolaryngology, Japanese Red Cross Asahikawa Hospital, Hokkaido, Japan.

^b Department of Neurosurgery, Japanese Red Cross Asahikawa Hospital, Hokkaido, Japan.

Corresponding author

Shuho Gotoh

Department of Neurosurgery, Japanese Red Cross Asahikawa Hospital

1-1-1-1 Akebono, Asahikawa, Hokkaido 070-8530, Japan

Tel: +81-166-22-8111

Fax: +81-166-24-4648

E-mail: churabeaver@gmail.com

Funding

This study was not supported by any organization.

Conflict of interest

There is no conflict of interest to disclose.

Ethical statement

Approval for this case report was obtained from the Ethics Committee of the Japanese Red Cross Asahikawa Hospital (approval number: 202145-2).

Written informed consent was obtained from the patient.

Acknowledgments

We are grateful to Dr. Meiho Nakayama and Dr. Yohei Maeda for motivating us to engage in this report.

Author contribution

Kosuke Takabayashi : K.T. drafted the manuscript and substantially contributed to the conception and design of the research and interpretation of the data.

Shuho Gotoh : S.G. made a substantial contribution to the study conception and interpretation of data.

Maeho Yamasaki : M.Y. made a substantial contribution to the study conception.

Katsumi Takizawa : K.T. supervised the project, was responsible for data collection, and made a substantial contribution to the conception and design of the research and interpretation of the data.

All authors made substantial contributions to the conception and design of the case report and interpretation of the data. All authors revised the manuscript, approved it to be published, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. Each author participated in this work for an appropriate portion of the content.