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A case of olfactory neuroblastoma presenting with fibrous dysplasia-like bone changes Akira Baba 1 1Department of Radiology The Jikei University School of Medicine Keyword: 嗅神経芽細胞腫 , CT , MRI pp.323-326
Published Date 2025/3/10
DOI https://doi.org/10.18888/rp.0000002872
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This article describes a rare presentation of olfactory neuroblastoma in a woman in her 60s with unusual radiological features mimicking fibrous dysplasia. CT revealed expansive bone-proliferative changes with a ground-glass appearance in the left orbit, vertical plate, and skull base. MRI demonstrated low signal intensity in the affected regions on T2- and T1-weighted imaging. A biopsy confirmed the diagnosis of olfactory neuroblastoma(Hyams grade Ⅰ-Ⅱ)with tumor cells infiltrating bone marrow and intravascular spaces. The authors emphasize the importance of identifying adjacent tumor-like structures when encountering fibrous dysplasia-like bone changes in the skull base region for accurate differential diagnosis.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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