Histopathological "self control" in transurethral resection of bladder tumours

Area of Science:

• Urology
• Oncology
• Surgical Pathology

Background:

• Bladder tumors require effective resection for patient management.
• Transurethral resection (TUR) is a common surgical approach.
• Assessing the completeness of tumor resection is critical.

Purpose of the Study:

• To evaluate the completeness of bladder tumor resection using a differentiated technique.
• To determine the incidence of residual tumor after seemingly complete TUR.
• To identify factors influencing the risk of incomplete resection.

Main Methods:

• Retrospective analysis of 462 bladder tumor resections in 319 patients (1979-1989).
• Utilized a differentiated transurethral resection (TUR) technique.
• Histopathological examination of resected specimens to detect residual tumor.

Main Results:

• Histopathology revealed residual tumor in 35% of cases initially deemed completely resected.
• Incomplete resection risk increased with tumor infiltration depth (pT stage).
• Tumor growth pattern significantly correlated with the likelihood of insufficient resection.

Conclusions:

• Differentiated TUR technique is vital for accurate assessment of bladder tumor infiltration depth.
• The technique aids in evaluating tumor peripheral expansion and resection completeness.
• Careful surgical technique and thorough histopathological review are essential to minimize residual bladder tumor post-TUR.