Early cystectomy has become an increasingly popular option for the treatment of high grade, stage T1 bladder cancer and has the advantage of removing sites that are often inaccessible to intravesical therapy. The following case report illustrates a possible lethal pitfall in cystectomy that leads us to suggest simple and inexpensive measures to prevent spillage of urine and the possible implantation of urothelial carcinoma during cystectomy.