Increased 68Ga-FAPI Uptake of Ureteric Fibroepithelial Polyp and Costal Cyst Mimicking Malignancy With Bone Metastasis

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Discussion

Case report demonstrates 68Ga-FAPI uptake mimicking malignancy in a patient with dysuria, highlighting diagnostic complexities.

Ureteric fibroepithelial polyp diagnosed postoperatively despite initial malignancy suspicion.
68Ga-FAPI PET/CT showed intense uptake in the ureter and rib, suggesting malignancy with bone metastasis.
Prior CT identified a bone cyst, reinforcing the need for thorough skeletal history review.
Malignant mimicking lesions can lead to misdiagnosis, emphasizing careful analysis of imaging results.

Xiang et al. (2025) studied this question.

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