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Association between mast cells and bladder carcinoma.
T Ahmet Serel1, Sedat Soyupek, Ozden Candir
1Department of Urology, Süleyman Demirel University School of Medicine, Isparta, Turkey. aserel@sdu.edu.tr
Urologia Internationalis
|May 22, 2004
Summary
Mast cells (MCs) are found in low numbers in bladder carcinoma lamina propria. MC counts correlate with tumor differentiation, suggesting their potential as a prognostic indicator for bladder cancer patients.
Area of Science:
- Urology
- Oncology
- Immunology
Background:
- Mast cells (MCs) are immune cells implicated in various inflammatory and neoplastic processes.
- Their role in bladder carcinoma, particularly in relation to tumor grade, remains incompletely understood.
Purpose of the Study:
- To investigate quantitative variations in mast cell (MC) numbers within bladder carcinoma tissue.
- To assess the association between MC counts and histopathological tumor grading.
Main Methods:
- Analysis of 56 bladder carcinoma specimens stained with toluidine blue.
- Assessment of MC counts in tumor tissue, lamina propria, adjacent normal bladder tissue, and interstitial cystitis tissue.
- Statistical analysis using Student t test, Wilcoxon signed-rank test, and Spearman correlation.
Main Results:
- Mean MC concentration was significantly higher in the lamina propria (3.36) compared to tumor tissue (0.57) (p < 0.0001).
- No significant correlation was found between MC counts and histopathological tumor grade.
- Significant differences in MC counts were observed between tumor tissue, normal adjacent tissue, and interstitial cystitis tissue.
Conclusions:
- Mast cells (MCs) are present in low numbers within the lamina propria of bladder carcinomas.
- MC counts show a relationship with tumor differentiation, indicating potential as a prognostic marker.
- Further research may elucidate the precise role of MCs in bladder cancer progression and patient outcomes.