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Updated: Nov 20, 2025

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
Published on: August 30, 2020
Unexpected -[18F] fluoro-2-deoxy-D-glucose accumulation in subarachnoid hemorrhage due to an aneurysm rupture
Hiroyuki Tokue1, Azusa Tokue1, Yoshito Tsushima1
1Department of Diagnostic and Interventional Radiology, Gunma University Hospital, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511 Japan.
Abstract:
A 79-year-old Asian man with paranasal cancer underwent 2-[18F] fluoro-2-deoxy-D-glucose-positron emission tomography/computed tomography (FDG-PET/CT) to evaluate metastatic lesions. Unexpected FDG accumulation during subarachnoid hemorrhage due to an aneurysm rupture visualized with FDG-PET/CT. It is rare to encounter life-threatening diseases in FDG-PET/CT because FDG-PET/CT is usually scheduled beforehand. However, an immediate response is warranted in unexpected conditions. Physicians who perform FDG-PET/CT should be familiar with life-threatening FDG-PET findings.
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