A case of mushroom‑shaped anaplastic oligodendroglioma resembling meningioma and arteriovenous malformation: Inadequacies of diagnostic imaging

Liu,Yaoling; Yang,Kang; Sun,Xu; Li,Xinyu; Wei,Minghai; Shi,Xiang'en; Che,Ningwei; Yin,Jian

doi:10.3892/etm.2015.2676

A case of mushroom‑shaped anaplastic oligodendroglioma resembling meningioma and arteriovenous malformation: Inadequacies of diagnostic imaging

Authors:
- Yaoling Liu
- Kang Yang
- Xu Sun
- Xinyu Li
- Minghai Wei
- Xiang'en Shi
- Ningwei Che
- Jian Yin
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Affiliations: Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116044, P.R. China, Department of Neurosurgery, Affiliated Fuxing Hospital, The Capital University of Medical Sciences, Beijing 100038, P.R. China
Published online on: August 10, 2015 https://doi.org/10.3892/etm.2015.2676
Pages: 1499-1502

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Abstract

Magnetic resonance imaging (MRI) is the most widely discussed and clinically employed method for the differential diagnosis of oligodendrogliomas; however, MRI occasionally produces unclear results that can hinder a definitive oligodendroglioma diagnosis. The present study describes the case of a 34‑year‑old man that suffered from headache and right upper‑extremity weakness for 2 months. Based on the presurgical evaluation, it was suggested that the patient had a World Health Organization (WHO) grade II‑II glioma, meningioma or arteriovenous malformation (AVM), with unclear radiological manifestations. Postsurgical pathological assessment confirmed the tumor to be an anaplastic oligodendroglioma (WHO grade Ⅲ). This case is notable due to the confusing radiological manifestation of a mushroom‑shaped anaplastic oligodendroglioma in the parietal‑temporal‑occipital region, which provided a potential source of misdiagnosis for meningioma and AVM.

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