Postoperative Spinal 18 F-FDG PET Pseudoprogression Mimicking Malignancy.
case_report · Level V
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- Record sourced from PubMed, PMID 37276463.
- Also identified by DOI 10.1097/RLU.0000000000004708.
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Abstract
A 60-year-old woman presented with left upper limb weakness. Spinal MRI revealed C2-C3 heterogeneous mass with no hypermetabolic foci on 18 F-FDG PET. Total resection was performed, and the pathology showed gliosis. Her limb weakness worsened 3 months after surgery. Spinal MRI revealed long intramedullary mass from medulla oblongata to C5, which showed obvious hypermetabolism under 18 F-FDG PET with an SUV max of 7.11, but 18 F-FET PET indicated mild hypermetabolism with an SUV max of 2.29. Malignancy was suspected, and C2-C4 biopsy was performed. The pathology results confirmed the diagnosis of gliosis, and the postoperative spinal 18 F-FDG PET results were considered pseudoprogression.
Medical subject headings
- Fluorodeoxyglucose F18
- Neoplasms