Results of inadvertent administration of bacillus Calmette-Guerin for treatment of transitional cell carcinoma of bladder.

Received October 2006 Accepted March 2007 INTRODUCTION Intravesical instillation of bacillus Calmette-Guerin (BCG) is a known treatment method in superficial bladder cancers after transurethral resection of the bladder tumor (TURBT).(1) Moreover, its polysaccharide nucleotide is used in the treatment of asthma.(2) However, the most familiar usage of the BCG to the public is vaccination against tuberculosis (TB) as a subcutaneous injection or oral administration.(3) Physicians should explain method of its use to the patients in order to avoid wrong injection and its side effects. In this study, we present a patient with transitional cell carcinoma (TCC) of the bladder in whom 4 vials of BCG were wrongly injected intramuscularly.