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Bladder tumor staging by transurethral ultrasonic scanning.
H H Holm1, N Juul, S Torp-Pedersen
1Department of Ultrasound, Herlev Hospital, University of Copenhagen, Denmark.
European Urology
|January 1, 1988
Summary
Transurethral ultrasound aids in staging bladder cancer. This imaging technique accurately determined the stage for most patients, proving a valuable tool alongside traditional methods for suspected invasive tumors.
Area of Science:
- Urology
- Oncology
- Medical Imaging
Background:
- Accurate staging of bladder cancer is crucial for effective treatment planning.
- Cystoscopy and biopsy are standard methods, but may have limitations in assessing tumor invasion depth.
- Transurethral ultrasound (TUS) offers a potential adjunctive imaging modality.
Purpose of the Study:
- To evaluate the accuracy of transurethral ultrasound in determining the clinical stage of bladder tumors.
- To assess the utility of TUS as a supplement to cystoscopy and biopsy in staging invasive bladder cancer.
Main Methods:
- A prospective study involving 115 patients with suspected invasive bladder cancer.
- Transurethral ultrasonic scanning was performed on 98 eligible patients (excluding 17 who received prior radiotherapy).
- Tumor staging by TUS was compared with definitive pathological staging.
Main Results:
- Out of 98 TUS examinations, 4.1% were inconclusive.
- TUS correctly staged 74.5% of tumors.
- Overstaging occurred in 16.3% and understaging in 5.1% of cases.
Conclusions:
- Transurethral ultrasound is a valuable tool for staging bladder tumors suspected of invasion.
- TUS can supplement cystoscopy and biopsy, improving the accuracy of clinical staging.
- Further research may refine TUS protocols for enhanced diagnostic performance.