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Journal of Nuclear Medicine Technology Volume 33, Number 4, 2005 230-231
© 2005 by Society of Nuclear Medicine

Artifactual Spinal Metastases Imaged by PET/CT: A Case Report

Phillip H. Kuo, MD, PhD and David W. Cheng, MD, PhD

Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Connecticut

A 55-y-old patient with multiple myeloma presented for restaging after chemotherapy and radiation. The patient had undergone vertebroplasty of multiple thoracic vertebrae because of painful compression fractures. The 18F-FDG PET images showed increased activity at the T8 and T10–T12 vertebral bodies. Comparison of the attenuation-corrected and non–attenuation-corrected images demonstrated that the activity was due to an artifact of attenuation correction. The CT scan correlated the sites of vertebroplasty to the 4 foci of increased uptake of 18F-FDG. The increasing use of vertebroplasty for malignant spinal fractures warrants vigilance for this artifact.

Key Words: PET; CT; myeloma; vertebroplasty; artifact




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C. J. Hanrahan, C. R. Christensen, and J. R. Crim
Current Concepts in the Evaluation of Multiple Myeloma with MR Imaging and FDG PET/CT
RadioGraphics, January 1, 2010; 30(1): 127 - 142.
[Abstract] [Full Text] [PDF]




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