Immuno Histochemical Expression of CD10 OR CA19.9 in Urinary Bladder Transitional Cell Carcinoma
Keywords:CA19.9, Immunohistochemistry, CD10, Urothelial Carcinoma
Objectives: To determine the frequency of immunohistochemical expression of CD10 and CA19.9 in patients with papillary urothelial carcinoma of the bladder in accordance with the WHO 2004 grading of the tumor.
Methodology: This descriptive cross-sectional study was conducted at the Foundation University Medical College Islamabad, from October 2017 to October 2018. Seventy-five patients from both genders, aged 40 to 80 years, undergoing trans urethral resection of bladder tumors to diagnose papillary urothelial bladder were included in our study. The data were analyzed with SPSS version 17. Immunohistochemical processing was performed and the results were interpreted by the consultant pathologist for the expression of CD10 and CA19.9 on transitional cell carcinoma with respect to the 2004 grading of the tumor.
Results: age range in this study was from 40 to 80 years with a mean age of 52.60 ± 7.60 years. Out of these 75 patients, 39 (52.0%) were male and 36 (48.0%) were female, with a male-to-female ratio of 1.1:1. The frequency of positive expression of CD10 and CA19.9 on immunohistochemistry in patients with papillary urothelial carcinoma of the bladder was found in 41 (54.67%) and 39 (52.0%) cases, respectively. It was seen that positive CD10 expression was found in 12 (31.58%) low grade tumors and in 24 (63.16%) high grade tumors. Positive CA19.9 expression was found in 29 (78.38%) low grade tumors and 15 (40.54%) high grade tumors.
Conclusion: The study concluded that there was a slightly increased expression of CD10 in transitional cell carcinoma of the urinary bladder compared with CA19.9. However, high-grade urothelial carcinomas showed increased expression of CD10 in contrast to low-grade urothelial carcinomas, which revealed increased positive expression of CA19.9.
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