Primary Osteosarcoma of the First Metatarsal With Multiple Metastases on 18F-FDG PET/CT.

Zhao, Guoxing; Xie, Peng; Liu, Xin; Shao, Fuqiang; Liu, Shiwei · Clin Nucl Med · 2026

case_report · Level V

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Abstract

Primary osteosarcoma predominantly originates in the metaphyseal region of long bones, but rarely in the metatarsals. We present the 18 F-FDG PET/CT findings in a case of primary osteosarcoma of the first metatarsal with multiple metastases confirmed by histopathology.

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