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  • Title: Serial changes of (18)F-FDG PET/CT findings in ischiopubic synchondrosis: comparison with contrast-enhanced MRI.
    Author: Tsuji K, Tsuchida T, Kosaka N, Tanizawa A, Kimura H.
    Journal: Hell J Nucl Med; 2015; 18(1):66-7. PubMed ID: 25679077.
    Abstract:
    UNLABELLED: A 3 years old female patient underwent resection and chemotherapy for a yolk sac tumor of the retroperitoneum. Two years later, fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) showed high uptake in the right ischiopubic synchondrosis (IPS), which had a radiolucent structure on CT. The structure showed contrast enhancement on magnetic resonance imaging (MRI), which was a non-specific finding. Six weeks later, a follow-up (18)F-FDG PET/CT scan was performed which showed no abnormal uptake in the IPS. The disappearance of (18)F-FDG uptake preceded that of contrast enhancement on MRI, which was seen 7 months after the initial (18)F-FDG PET/CT scan. CONCLUSION: This is the first report showing serial changes of (18)F-FDG uptake in IPS, in comparison to MRI findings.
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