Succinate Dehydrogenase B Subunit-Negative Jugular Foramen Paraganglioma Manifesting Malignant Progression with Pseudohypoxia-Related Atypical Uptake of [18F]-Fluoro-2-Deoxy-d-Glucose: A Case Report

In patients with head and neck paraganglioma without SDHB expression, close follow-up should be considered because of the risk for metastasis. In such cases, [18F]-FDG PET might be useful for detecting metastasis due to atypical accumulation from pseudohypoxia-induced glycolysis.