Ureteral tumor

Clinically, ureteral tumors are rare. In 1841, French pathologist Rayer first described ureteral tumors. In 1902, Albarran reported the first case of a primary ureteral tumor that was clearly diagnosed before surgery. As of 1976, only 2200 cases were reported in the world literature, and the main domestic literatures counted primary ureteral malignancies. As of August 1996, more than 280 cases were reported.

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