CC BY-NC-ND 4.0 · Asian J Neurosurg 2022; 17(04): 668-671
DOI: 10.1055/s-0042-1757430
Case Report

A Case of Suspected Radiation-Induced Meningioma That Developed 36 Years after Radiotherapy for a Suprasellar Tumor

1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Yoshinori Takaya
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Ryohei Sashida
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Ren Fujiwara
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Tomihiro Wakamiya
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Yuhei Michiwaki
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Tatsuya Tanaka
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Kazuaki Shimoji
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Eiichi Suehiro
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Masatou Kawashima
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
,
Akira Matsuno
1   Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita Hospital, Narita, Chiba, Japan
› Author Affiliations

Abstract

Recently, the improvements in the prognosis of childhood brain tumors have made it necessary to consider the risk of radiation-induced brain tumor development in long-term survivors. In this report, we describe a case of radiation-induced meningioma (RIM) treated surgically 36 years after radiotherapy. A 46-year-old woman, who underwent craniotomy for suprasellar germ cell tumor at 10 years of age with additional postoperative radiotherapy, was admitted to the emergency room with consciousness disturbance and right hemiplegia. One year earlier, magnetic resonance imaging (MRI) revealed a 1-cm diameter tumor in the left middle cranial fossa. This MRI showed an enlarged brain tumor in same lesion with clearly enhanced by gadolinium. A RIM located on a left sphenoid ridge with a fast growth rate was diagnosed, and the gross total removal was achieved by a left frontotemporal craniotomy. Histological diagnosis of atypical meningioma (World Health Organization grade II) was made. RIMs are frequently atypical, anaplastic meningiomas that have already been treated with radiotherapy, making additional postoperative radiotherapy difficult; the removal rate must be increased to achieve a good prognosis. In the case of long-term survivors after childhood radiotherapy, a strict follow-up with the occurrence of RIM in mind is necessary.



Publication History

Article published online:
28 October 2022

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