Sarcomatoid Carcinoma of the Urinary Bladder: The Final Common Pathway of Urothelial Carcinoma Dedifferentiation

Sarcomatoid carcinoma of the urinary bladder is an unusual malignancy composed of both carcinomatous and sarcomatous components. It is an aggressive tumor that presents at an advanced stage and confers a much poorer prognosis than conventional urothelial carcinoma. The proper nomenclature and histog