Current Imaging for Upper Tract Urothelial Carcinoma Staging: Strengths and Limitations

No single imaging modality provides accurate clinical staging for upper tract urothelial carcinoma. CT urography detects tumors well but local staging is limited; MR urography may assess muscle invasion, and FDG-PET aids nodal/metastatic staging. A multimodal approach remains es…

• CT urography is the standard for tumor detection, but reliability for local staging is limited.
• MR urography shows promise for assessing muscle invasion, though it is operator dependent.
• FDG-PET is valuable for nodal and metastatic staging, not primary tumor evaluation.

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