A Case of Catastrophic Epistaxis from the Internal Carotid Artery Due to Multiple Surgeries and Irradiations for Pituitary tumor: Rescued Without any Sequelae Utilizing High-Flow Bypass Using Radial Artery Graft and Simultaneous Skull Base Reconstruction.

Kosuke Takabayashi^a)

Seiji Takebayashi^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

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

This study was not supported by any organization.

Conflict of interest

There is no conflict of interest to disclose.

Approval for this case report was obtained from the Ethics Committee of Japanese Red Cross Asahikawa Hospital (approval number: 202111-3)

Written informed consent was obtained from the patient.

We are grateful to Dr. Yohei Maeda and Dr. Meiho Nakayama for their motivation and confidence in writing this report. We would like to thank Editage (www.editage.com) for English language editing.

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. KT drafted the manuscript and participated in skull base reconstruction. SG helped drafting the manuscript. ST and JS participated in conventional angiography and designed the figure. KT participated in clinical revascularization.