Document Detail

False-Positive FDG PET/CT Due to Liver Parenchymal Injury Caused By a Surgical Retractor.
MedLine Citation:
PMID:  22889789     Owner:  NLM     Status:  In-Data-Review    
ABSTRACT: A 70-year-old man underwent partial gastrectomy with pathology demonstrating gastric follicular lymphoma. After surgery, a staging FDG PET/CT study demonstrated an FDG-avid low-attenuation band in the liver. Corresponding MRI demonstrated a high T2 signal abnormality. This was believed to represent liver parenchymal injury due to liver retraction during surgery. The patient was managed conservatively. MRI at 1 month of follow-up demonstrated resolution of the T2 signal abnormality. FDG PET/CT at 6 months of follow-up demonstrated resolution of FDG uptake. Tissue injury from surgical retraction can produce FDG-avid lesions that need to be distinguished from malignancy on PET/CT.
Ashima Lyall; Gary A Ulaner
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical nuclear medicine     Volume:  37     ISSN:  1536-0229     ISO Abbreviation:  Clin Nucl Med     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7611109     Medline TA:  Clin Nucl Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  910-1     Citation Subset:  IM    
From the *Department of Radiology, Memorial Sloan-Kettering Cancer Center; and †Weill Cornell Medical College, New York, NY.
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