The Korean Journal of Internal Medicine

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Original Article
Korean J Med. 2009;76(3):374-379.
PET-CT에서 우연히 발견된 비기능성 뇌하수체 거대선종 1예
송윤미, 임동준, 문성대, 한제호, 한치화, 김성훈
A non-functioning pituitary macroadenoma detected incidentally with PET-CT
Youn-Mi Song, Dong-Jun Lim, Sung-Dae Moon, Je-Ho Han, Chi-Wha Han, Sung-Hoon Kim


Abstract
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.

Keywords :Pituitary tumors, Positron emission tomography, 18F-FDG, Incidental discovery

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