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Japanese

A Case of Astrocytoma with Extracranial Extension after Malignant Transformation Ikuo Sakuma 1 , Noriaki Tomura 1 , Koichi Omachi 1 , Satoshi Takahashi 1 , Jiro Watarai 1 , Toshio Sasajima 2 , Kazuo Mizoi 2 1Department of Radiology, Akita University School of Medicine 2Department of Neurosurgery, Akita University School of Medicine Keyword: low grade astrocytoma , malignant transformation , glioblastoma , extracranial extension pp.153-156
Published Date 2003/2/1
DOI https://doi.org/10.11477/mf.1406100442
  • Abstract
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 A case of astrocytoma with extracranial extension after malignant transformation is presented. The patient was a 58-year-old female who suffered from headache. The initial magnetic resonance imaging(MRI) demonstrated a slightly hyperintense tumor on T2-weighted images in the tip of the left temporal lobe, and no contrast enhancement on gadolinium-enhanced T1-weighted images(Gd-T1WI). On digital subtraction angiography, there was no tumor staining. The initial diagnosis was made as low-grade astrocytoma. However two months later, her symptoms aggravated suddenly. MRI revealed a remarkably growing tumor with ring-like enhancement on Gd-T1WI. She underwent a temporal lobectomy, which pathologically demonstrated a glioblastoma. After surgery, chemotherapy and radiotherapy were performed. The tumor invades the skull base and extended into the infratemporal fossa 25 months after surgery.


Copyright © 2003, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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