Papillary Glioneuronal Tumor Masquerading as Malignant Brain Tumors: A Case Report

Papillary Glioneuronal Tumor Masquerading as Malignant Brain Tumors: A Case Report

Papillary glioneuronal tumor (PGNT) is a low-grade biphasic tumor that is composed of glial fibrillary acidic protein (GFAP)-positive glial cells and synaptophysin-positive neurons. We report a case of PGNT occurring in the right occipital lobe of a 48-year-old woman who presented with acute headach...

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Veröffentlicht in:Yonago Acta Medica 2023, Vol.66 (3), p.385-388, Article 2023.08.006
Hauptverfasser: Hosoya, Tomohiro, Kambe, Atsushi, Miyamoto, Daiou, Sakamoto, Makoto, Kurosaki, Masamichi
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Patient Report
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creator Hosoya, Tomohiro
Kambe, Atsushi
Miyamoto, Daiou
Sakamoto, Makoto
Kurosaki, Masamichi
description Papillary glioneuronal tumor (PGNT) is a low-grade biphasic tumor that is composed of glial fibrillary acidic protein (GFAP)-positive glial cells and synaptophysin-positive neurons. We report a case of PGNT occurring in the right occipital lobe of a 48-year-old woman who presented with acute headache and left homonymous hemianopsia, the latter of which was difficult to distinguish from malignant brain tumors because of peritumoral brain edema, intratumoral hemorrhage, and intraoperative fluorescence staining. PGNT should be included as one of the differential diagnoses in cases where the tumor shows hemorrhagic change despite decreased perfusion in arterial spin labeling MRI.
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title Papillary Glioneuronal Tumor Masquerading as Malignant Brain Tumors: A Case Report
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