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Updated: Aug 5, 2026

An Orthotopic Bladder Tumor Model and the Evaluation of Intravesical saRNA Treatment
Published on: July 28, 2012
[A comparison between clinical and echographic staging in bladder tumors]
Transurethral echography and clinical staging for bladder tumors showed 81% agreement in determining tumor infiltration. Discrepancies in borderline stages highlight the need for combined diagnostic methods for accurate bladder cancer staging.
Area of Science:
- Urology
- Oncology
- Medical Imaging
Background:
- Accurate bladder tumor staging is crucial for effective treatment planning.
- Distinguishing between superficial and infiltrative bladder tumors impacts therapeutic decisions.
Purpose of the Study:
- To compare the accuracy of transurethral echography and clinical staging (IUCC) in determining bladder tumor infiltration.
- To assess the concordance between two methods for bladder cancer staging.
Main Methods:
- Transurethral echography was performed to establish the initial echographic stage in 94 patients.
- Clinical staging was subsequently conducted according to International Union for Cancer Control (IUCC) guidelines.
- Results from both staging methods were compared to determine concordance.
Main Results:
- A high degree of coincidence (81%) was observed between echographic and clinical staging methods.
- Discrepancies were noted primarily in borderline stages, differentiating superficial from infiltrative lesions.
- Echography demonstrated significant utility in bladder tumor staging.
Conclusions:
- Transurethral echography is a valuable tool for bladder tumor staging, showing good agreement with clinical staging.
- Combined data from multiple methods, including echography, CT, and clinical examination, are recommended for definitive bladder tumor staging.
- Further investigation into borderline cases may refine diagnostic accuracy in bladder cancer.
Related Concept Videos
Imaging Studies I: Kidney, Ureter, and Bladder Studies
Imaging Studies II: Ultrasonography
Imaging Studies III: Computed Tomography
Imaging Studies IV: Magnetic Resonance Imaging
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
Imaging Studies VI: Voiding Cystourethrography and Cystography

