Similar Findings on 18F-FDG PET/CT and 68Ga-DOTATATE PET/CT in a Patient With Extraskeletal Ewing Sarcoma.

Deng, Maoxue; Shu, Qiaoqiao; Feng, Yue; Zhang, Wenqian; Cai, Liang · Clin Nucl Med · 2026

case_report · Level V

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Abstract

Primary extraskeletal Ewing sarcoma in the soft tissue of the neck is rare. A 29-year-old woman underwent 18F-FDG PET/CT and 68Ga-DOTATATE PET/CT for a mass in her neck. The patient complained of pain in the right side of the neck for 6 months. Both scans showed increased imaging agent uptake in the neck mass, which was subsequently diagnosed as extraskeletal Ewing sarcoma.

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