Endoscopic Ultrasonic Aspiration of Superficial Bladder Tumors
Author Information
Author(s): Makoto Miki, Hiroaki Shiozawa
Primary Institution: Tokyo Medical College
Hypothesis
Can endoscopic ultrasonic aspiration be an effective alternative to transurethral resection for superficial bladder tumors?
Conclusion
Transurethral ultrasonic aspiration may be a safer and easier alternative to conventional transurethral resection for treating superficial bladder tumors.
Supporting Evidence
- Ultrasonic aspiration was performed safely in all cases.
- The largest tumor aspirated weighed 6.5 grams.
- No burns occurred on aspirated tissue, aiding histological examination.
- Tumors smaller than 2 cm were aspirated completely within 10 minutes.
Takeaway
Doctors tested a new way to remove bladder tumors using sound waves instead of cutting, and it worked well for smaller tumors.
Methodology
Transurethral ultrasonic aspiration was performed on 19 patients with superficial bladder tumors using a prototype endoscope.
Limitations
Some larger tumors could not be completely aspirated, and there were difficulties in approaching certain tumor locations.
Participant Demographics
Patients aged 53 to 82 years, with 17 males and 2 females.
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