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To evaluate the expression of vascular endothelial growth factor (VEGF), estrogen receptor (ER) and androgen receptor (AR) in the genesis and development of seminoma. Methods: The expression of VEGF, ER and AR was assayed by means of immuno-histochemical technique in 16 cases of seminoma and 10 cases of prostatic cancer (Pca). Results: The VEGF expression positive rate was significantly higher (P<0.05) in seminoma than in Pca, being 14/16(87.5 %) and (4/10, 40%), respectively. The AR expression positive rate was lower (P>0.05) in seminoma (9/16, 56.2%) than in Pca (9/10, 90%). The ER expression was negative in all the seminoma and Pca patients. Conclusion: In seminoma, the expression of VEGF is significantly increased, which may play a role in the genesis and development of the neoplasm. (Chin J Androl 2002; 16: 349)
To evaluate the expression of vascular endothelial growth factor (VEGF), estrogen receptor (ER) and androgen receptor (AR) in the genesis and development of seminoma. Methods: The expression of VEGF, ER and AR was assayed by means of immuno-histochemical Results in 16 cases of seminoma and 10 cases of prostatic cancer (Pca). Results: The VEGF expression positive rate was significantly higher (P <0.05) in seminoma than in Pca, being 14/16 (87.5%) and (4/10 , 40%). The AR expression was negative in all the seminoma (9/16, 56.2%) than in Pca (9/10, 90% and Pca patients. Conclusion: In seminoma, the expression of VEGF is significantly increased, which may play a role in the genesis and development of the neoplasm. (Chin J Androl 2002; 16: 349)