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A Rare Case of Tibiofemoral Ewing's Sarcoma Recurrence with Lung Metastasis 27 Years after Initial Diagnosis
Amal Miqdadi1, Saadia Ayach1, Hanane Boulmane1
1Nuclear Medicine and Imaging, Cheikh Khalifa International University Hospital, Mohammed VI University of Health and Sciences, Casablanca, Morocco.
Introduction:
Ewing's sarcoma (ES) is a rare, malignant small round-cell tumor. Some of the patients will experience local or distant recurrent illness. To detect early incidental or unexpected distant metastasis during the follow-up or initial evaluation, Fluorine-18-fluorodeoxyglucose (18F-FDG) PET/computed tomography (PET-CT) plays a significant role and has the potential to impact clinical judgments as well as forecast the prognosis and resectability of ES patients.
Case Presentation:
We report the case of a 44-year-old patient who present a history of a treated ES located in left tibiofemoral articulation whom presented a recurrence and a metastatic tibiofemoral ES in the lung 27 years after his diagnosis and first management.
Conclusion:
Due to this risk of recurrence, ES needs a regular monitoring and follow-up. We propose a monitoring by 18F-FDG PET/CT-Scan once a year during 5 years then one time every 2 years to be able to detect early metabolic lesions.
