Synonyms/Description

Bladder tumor

Focal bladder lesion

Etiology

Transitional Cell Cancer

In the United States, bladder cancer is reportedly the fourth most common malignancy. The vast majority of bladder neoplasms arise from the epithelium, with urothelial (transitional cell) carcinoma accounting for 90% of cases. Squamous cell carcinoma is rare and accounts for 2% to 15% of bladder cancers. The least common is adenocarcinoma, which may be primary or metastatic to the bladder.

Fibroma

Fibroma (leiomyoma) is the most common benign tumor of the bladder, although it represents only 0.4% of all bladder neoplasms. It is most prevalent among women in the third to fifth decades of life.

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