• World Neurosurg · Mar 2020

    Case Reports

    Intracranial Low-grade Fibromyxoid Sarcoma: Findings on Electron Microscopy and Histological Analysis.

    • Yu Shimizu, Katsuhiro Tsuchiya, and Hironori Fujisawa.
    • Department of Neurosurgery, National Hospital Organization Kanazawa Medical Center, Kanazawa, Japan. Electronic address: bleuler3a@yahoo.co.jp.
    • World Neurosurg. 2020 Mar 1; 135: 301-305.

    BackgroundLow-grade fibromyxoid sarcoma is a rare tumor that manifests as a deep soft tissue mass characterized by a benign histology, but with potentially aggressive clinical behavior and a high rate of recurrence; primary intracranial sarcomas are even rarer. We present a case of primary intracranial low-grade fibromyxoid sarcoma, emphasizing its clinical, radiologic, and histologic features.Case DescriptionA 39-year-old woman presented with a recent history of headache and seizures. A right parietal mass was detected on computed tomography and magnetic resonance imaging, and she was subsequently operated on to remove the intracranial mass. Histologic examination of the resected tumor revealed mildly atypical fibroblastic cells embedded within a myxoid matrix. The diagnosis was confirmed by electron microscopy and cytogenetic analyses.ConclusionsThis report describes electron microscopic evaluation of intracranial low-grade fibromyxoid sarcoma, which has an extremely rare occurrence.Copyright © 2019 Elsevier Inc. All rights reserved.

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