In this seciton we reviewed transurethral resection of bladder tumors (TURBT) which is a common procedure to diagnose and treat bladder cancer. There are two main approaches: conventional TURBT with piecemeal resection and en bloc resection (ERBT). ERBT removes the entire tumor in one piece, potentially reducing recurrence rates and improving pathological assessment. Studies suggest ERBT may be safe and effective, with benefits like higher detrusor muscle inclusion and clear resection margins. However, larger tumor size can hinder its success. More research is needed to determine the best energy sources (monopolar, bipolar, laser) for ERBT.