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Surgical experience of a rare ventricular tumor: A case report
J Korean Skull Base Soc 2023;18(2):174-183
Published online October 31, 2023
© 2023 Korean Skull Base Society.

Hyeon Gyu Yang1, Joonho Byun2, Sang Woo Song1, Young-Hoon Kim1, Chang Ki Hong1, Jeong Hoon Kim1

1Department of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
2Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
Correspondence to: Joonho Byun
Received September 5, 2023; Revised September 21, 2023; Accepted September 22, 2023.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this case report, we present a rare case of a suspicious central nervous system (CNS) high-grade neuroepithelial tumor with BCOR alteration (CNS HGNET-BCOR). A 29-year-old woman initially presented with an incidental ventricular tumor detected on computed tomography. The brain magnetic resonance imaging revealed a 6 × 5 cm heterogeneously enhancing solid cystic mass with coarse calcifications in the right lateral ventricle. Preoperative radiological diagnosis suggested a central neurocytoma, and subsequent surgery was done in gross total resection with satisfactory recovery. However, after three years, tumor recurrence was observed, leading to revision surgery. Based on the histopathological evaluation according to the 2021 World Health Organization classification, the tumor was suggested as CNS HGNET-BCOR. Adjuvant radiotherapy was planned as part of the treatment strategy. This case report contributes to the limited knowledge about intraventricular CNS HGNET-BCOR tumors, offering insights into diagnosis and treatment approaches for this rare entity.
Keywords : Cerebral ventricle, Malignant primary brain neoplasms, Neuroepithelial neoplasm

October 2023, 18 (2)
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