title: False-positive FDG-PET scan secondary to lipoid pneumonia mimicking a solid pulmonary nodule.
abstract: Fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET) scanning is useful in evaluating suspicious lesions of the lung. Our patient was a 65-year-old woman with a 45-pack-year smoking history who was referred for further evaluation because of a 3 cm x 3 cm solid lung nodule on computed tomography scan of the chest. FDG-PET scan revealed a standard uptake value of 3.2 suggestive of malignancy. The histology of the lung nodule was consistent with lipoid pneumonia, a benign condition frequently associated with inadvertent aspiration or inhalation of oily substances.
authors: The University of Chicago Hospitals, 5841 S. Maryland Avenue, MC 0999/Room L 11B, Chicago, IL 60637, USA. bmokhles@medicine.bsd.uchicago.edu
authors: Babak
authors: B
authors: Mokhlesi
authors: David
authors: D
authors: Angulo-Zereceda
authors: Vahid
authors: V
authors: Yaghmai
mesh_terms: D000368:Aged; D044963:Biopsy, Fine-Needle; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D019788:Fluorodeoxyglucose F18; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology; D011017:Pneumonia, Lipid / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D049268:Positron-Emission Tomography; D011237:Predictive Value of Tests; D019275:Radiopharmaceuticals; D012907:Smoking / Q000009:adverse effects; D003074:Solitary Pulmonary Nodule / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18