18 F-FDG PET/CT in a Patient With Anal Angiosarcoma.

Chen, Xueqi; Zhang, Yongchen; Wu, Caixia; Fu, Zhanli · Clin Nucl Med · 2026

case_report · Level V

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Abstract

A 42-year-old man with a recent medical history of multiple myeloma and associated chemotherapy presented with a rapidly growing anal mass for 2 months. PET/CT showed a soft tissue mass with increased 18 F-FDG uptake in the anus. The surgical pathology indicated a moderately to well-differentiated angiosarcoma of the anus.

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