Key result
18F-FDG PET/CT detects hypermetabolic mass and bone metastases in primary rectal epithelioid angiosarcoma.
Case Report (n=1)
18F-FDG PET/CT successfully identified the primary tumor and extent of bone metastases in a rare case of primary rectal angiosarcoma.
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May aid staging of rare rectal angiosarcoma; hypothesis-generating and should not yet change practice.
A 54-year-old man presented with a 1-month history of pain and numbness in the right lower limb. Lumbar spine MRI revealed bone metastases. 18 F-FDG PET/CT showed a soft tissue mass with increased 18 F-FDG uptake in the rectum, accompanied by multiple hypermetabolic lesions in the bilateral ribs, spine, pelvis, and upper right femur. A colonoscopy biopsy of the submucosal rectal mass confirmed the diagnosis of epithelioid angiosarcoma.
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Ma et al. (2025) conducted a case report in Primary rectal angiosarcoma with multiple bone metastases (n=1). 18F-FDG PET/CT was evaluated on Detection of hypermetabolic lesions. 18F-FDG PET/CT successfully identified a hypermetabolic soft tissue mass in the rectum and multiple bone metastases in a 54-year-old man with primary rectal epithelioid angiosarcoma.
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