Case 146. 

Tuberculous cystitis after intravesical BCG innoculation (56 y-o M)
　 　 　 　
　 Biopsy from multifocal ulcerative inflammation of the bladder, after BCG therapy for superficial bladder cancer 　
　 　 　 　

　

 　 Numerous acid-fast bacilli are observed within the granulomatous lesion (Ziehl-Neelsen).