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reactive and metastatic lymph nodes

Troost EGC et al. J Nucl Med 2007; 48: 726-35.

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[18F]-FLT PET before surgical tumour resection with lymph

node dissection (n=10 HNC)

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9/10 patients had FLT-positive lymph nodes, but only 3 of them

had histologically proven metastases

Utility of [18F]-

FLT PET for

response

assessment of

small metastatic

nodes is unclear!