Chest Wall Hibernoma With Intense 18 F-FDG Uptake on PET/CT Mimicking Malignant Pleural Mesothelioma.
case_report · Level V
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- Record sourced from PubMed, PMID 42080612.
- Also identified by DOI 10.1097/RLU.0000000000006492.
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Abstract
A man in his 60s with asbestos exposure and pleural plaques was incidentally found to have a chest wall mass on computed tomography (CT). Positron emission tomography/CT (PET/CT) demonstrated intense 18 F-fluorodeoxyglucose (FDG) uptake, raising concern for malignancy, including malignant pleural mesothelioma. CT and magnetic resonance imaging (MRI), however, showed a predominantly fat-containing lesion, suggesting hibernoma. Video-assisted thoracoscopic resection was performed, and histopathology confirmed hibernoma. Recognition of macroscopic fat on CT/MRI is essential to avoid misdiagnosis of FDG-avid benign lipomatous tumors.
Medical subject headings
- Lipoma
- Fluorodeoxyglucose F18
- Positron Emission Tomography Computed Tomography
- Mesothelioma
- Thoracic Wall
- Lung Neoplasms
- Pleural Neoplasms