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CASE REPORT
Year : 2016  |  Volume : 6  |  Issue : 1  |  Page : 40

Extramedullary Plasmacytoma of the Gallbladder Detected on Fluorine 18-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography


Department of Nuclear Medicine and Molecular Imaging, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA

Correspondence Address:
Asif Ali Fakhri
Department of Nuclear Medicine and Molecular Imaging, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2156-7514.191127

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Extramedullary plasmacytoma is rare in patients with diagnosed multiple myeloma. Soft tissue plasmacytoma of the gallbladder is particularly uncommon and has been described in only a handful of cases. Diagnosis of gallbladder plasmacytoma with fluorine 18-fluorodeoxyglucose (F18-FDG) positron emission tomography/computed tomography (PET/CT) has not previously been reported. We present a 65-year-old female with a history of multiple myeloma who underwent a restaging F18-FDG-PET/CT which showed a focal area of hypermetabolic activity, corresponding to a nodular lesion within the posterior gallbladder wall. The patient underwent successful cholecystectomy, with surgical pathology revealing gallbladder plasmacytoma. A follow-up scan was negative for active malignancy. This is a novel case of gallbladder plasmacytoma diagnosed on whole-body F18-FDG PET/CT - thus demonstrating the clinical value of this imaging modality in staging, restaging, and surveillance for patients with multiple myeloma.


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