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Comparison of FLT-PET and FDG-PET for Visualization of Head and Neck Squamous Cell Cancers.
MedLine Citation:
PMID:  20464518     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
PURPOSE: We compared 3'[F-18]fluoro-3'-deoxythymidine (FLT) positron emission tomography (PET) and 2-deoxy-2-[F-18]fluoro-D-glucose (FDG) for PET visualization of head and neck squamous cell cancers (HNSCCs) and evaluated which might better reflect proliferative activity as indicated by the Ki-67 index.
PROCEDURES: A total of 43 patients with HNSCCs were examined with FLT-PET and FDG-PET. The PET images were evaluated qualitatively for regions of focally increased metabolism and for semiquantitative analysis the maximum standardized uptake value (SUV) was calculated.
RESULTS: For depiction of primary tumours, the sensitivity of both approaches was 100%. The mean (±SD) SUV for FLT (5.65 ± 2.96) was significantly lower than that for FDG (10.9 ± 4.91; p < 0.0001). No significant differences were found for the T category. However, the mean (±SD) FLT SUV was significantly higher in poorly than in well-differentiated tumours (6.49 ± 3.13 vs. 4.2 ± 2.08; p < 0.04). Similarly, FDG SUVs in poorly and moderately differentiated tumours (12.72 ± 4.8 and 11.46 ± 4.64) were significantly higher than in well-differentiated tumours (7.45 ± 3.51; p < 0.004 and p < 0.02). No significant correlation was observed with the Ki-67 index for either.
CONCLUSION: FLT-PET showed as high a sensitivity as FDG-PET for the detection of primary HNSCC lesions, although uptake of FLT was significantly lower than that of FDG.
Authors:
Hiroshi Hoshikawa; Yoshihiro Nishiyama; Takehito Kishino; Yuka Yamamoto; Reiji Haba; Nozomu Mori
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Molecular imaging and biology : MIB : the official publication of the Academy of Molecular Imaging     Volume:  13     ISSN:  1860-2002     ISO Abbreviation:  Mol Imaging Biol     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101125610     Medline TA:  Mol Imaging Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  172-7     Citation Subset:  IM    
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Kagawa University, 1750-1, Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan, hiro@med.kagawa-u.ac.jp.
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