A bladder biopsy is performed if abnormalities of the bladder are found, or if a tumor is grossly visible. During the biopsy a small portion of tissue is removed and sent to the laboratory for analysis.
Review Date 4/10/2022
Updated by: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.