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CC BY-NC-ND 4.0 · Asian J Neurosurg 2022; 17(01): 127-130
DOI: 10.1055/s-0042-1749126
Case Report

Metastatic Brain Tumor in the Cerebellopontine Angle from Gastric Cancer: A Case Report

Masahiro Uchimura
1   Department of Neurosurgery, Shimane University Faculty of Medicine, Shimane, Japan
,
Mizuki Kambara
1   Department of Neurosurgery, Shimane University Faculty of Medicine, Shimane, Japan
,
Kentaro Hayashi
2   Department of Advanced Stroke Center, Shimane University Faculty of Medicine, Shimane, Japan
,
Haruo Takigawa
3   Department of Neurosurgery, Matsue City Hospital, Matsue, Shimane, Japan
,
Yuichi Anno
3   Department of Neurosurgery, Matsue City Hospital, Matsue, Shimane, Japan
,
Yasuhiko Akiyama
1   Department of Neurosurgery, Shimane University Faculty of Medicine, Shimane, Japan
› Author Affiliations Funding None.
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Abstract

Cerebellopontine angle (CPA) tumors are a common type of benign tumors, which are similar to vestibular schwannomas; however, the incidence of CPA metastasis is rare. Moreover, brain metastasis from gastric tumors is a rare occurrence, with an incidence of less than 1% in clinical cases. In this study, we report the case of a 71-year-old man who was admitted to our hospital with symptoms of nausea and gait instability for the past 1 week. He had no remarkable medical history. Magnetic resonance imaging revealed a tumor in the left CPA. Intraoperative diagnosis indicated the presence of metastatic papillary carcinoma. Postoperatively, gastric endoscopy revealed a protruding mass on the cardia of the stomach, which was histopathologically similar to that of the resected brain tumor. The patient underwent adjuvant cyberknife radiotherapy and chemotherapy. A prompt biopsy of the brain tumor is essential if any findings suggest malignancy.

Keywords

cerebellopontine angle - metastasis - gastric cancer - carcinomatous meningitis

Patient Consent

The patient consented to the submission of the case report to the journal.




Publication History

Article published online:
06 June 2022

© 2022. Asian Congress of Neurological Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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