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KMID : 0882420090760030374
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Korean Journal of Medicine
2009 Volume.76 No. 3 p.374 ~ p.379
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A non-functioning pituitary macroadenoma detected incidentally with PET-CT
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Song Youn-Mi
Lim Dong-Jun
Moon Sung-Dae
Han Je-Ho
Han Chi-Hwa
Kim Sung-Hoon
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Abstract
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Whole-body positron emission tomography (PET) with fluorine-18 fluorodeoxyglucose (18F-FDG) is a tomographic imaging technique that uses a radiolabeled analog of glucose, 18F-FDG, to image relative glucose uptake rates in various tissues. Since the glucose uptake is increased in many malignancies, 18F-FDG PET is a sensitive method for detecting, staging, and monitoring the effects of therapy on many malignancies. However, it is uncommon to discover an asymptomatic non-functioning pituitary tumor unexpectedly as a hypermetabolic lesion in PET studies. Here, we report a pituitary tumor that was detected incidentally by FDG-PET and ultimately turned out to be a non-functioning pituitary macroadenoma.
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KEYWORD
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Pituitary tumors, Positron emission tomography, 18F-FDG, Incidental discovery
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