Which sonographic finding is commonly associated with transitional cell cancer of urinary bladder?

Transitional cell carcinoma (TCC) typically presents as a non-mobile, polypoidal, focal intraluminal mass projecting from the bladder wall. Mobility of the lesion helps differentiate TCC from blood clots or debris.

According to Rumack’s Diagnostic Ultrasound:

“Bladder TCC most often appears as a non-mobile, polypoid mass attached to the bladder wall.”