18F-Fluorodeoxyglucose positron emission tomography in evaluating treatment response to imatinib or other drugs in gastrointestinal stromal tumors: a systematic review.

To systematically review the role of (18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography (PET) in evaluating treatment response to imatinib or other drugs in gastrointestinal stromal tumors (GIST).