Tchernev G, Broshtilova V, Tchernev Jr. KG, Hasegawa R, Kordeva S. First case in the world literature of mushroom-like achromatic pedunculated melanoma on the back after intake of (nitroso) tamsulosin: Photocarcinogenicity triggered due nitrosamine contamination in drugs as cofactor for melanoma pathogenesis. MR. 2026;62(3):41-45. Accessed April 30, 2026. https://journals.mu-sofia.bg/index.php/mr/article/view/769