Document Detail

False-Positive Finding of Brain Metastasis on 18F-FDG PET Imaging Due to Early Subacute Ischemic Stroke.
MedLine Citation:
PMID:  23603599     Owner:  NLM     Status:  Publisher    
An F-FDG PET performed for staging of a left lung mass showed a hypermetabolic focus in the left posterior fossa suggestive for brain metastasis. However, subsequent MRI showed restricted diffusion in the left cerebellum indicating a subacute ischemic stroke. Follow-up PET showed resolution of FDG uptake; MRI showed focal left cerebellar encephalomalacia. This case demonstrates visualization of the hypermetabolic inflammatory phase of a subacute ischemic stroke. The rare possibility of a false-positive result for brain metastasis must be recognized, and because focal neurologic symptoms may overlap in brain metastases and stroke, MRI confirmation of positive brain findings on FDG PET is needed.
Hari Nandu; Frank Berkowitz; Giuseppe Esposito
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-4-18
Journal Detail:
Title:  Clinical nuclear medicine     Volume:  -     ISSN:  1536-0229     ISO Abbreviation:  Clin Nucl Med     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-4-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7611109     Medline TA:  Clin Nucl Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
From the *Georgetown University School of Medicine, and †Department of Radiology, Georgetown University Hospital, Washington, DC.
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