Advanced small-cell bladder cancer into a ureterocele: A case report and literature review

Abstract Small cell bladder cancer (SCBC) is found in 0.5–1.2% of all bladder tumors. Ureteroceles are dilatation of the distal portion of an ectopic ureter, which association with tumors are rare. This article reports the first case described of an SCBC developed into a ureterocele, beyond a literature review.