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Bladder biopsy

Biopsy - bladder

Bladder biopsy is a procedure in which small pieces of tissue are removed from the bladder. The tissue is tested under a microscope.

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Bladder biopsy

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How the Test is Performed

A bladder biopsy can be done as part of a cystoscopy. Cystoscopy is a procedure that is done to see the inside of the bladder using a thin lighted tube called a cystoscope. A small piece of tissue or the entire abnormal area is removed. The tissue is sent to the lab to be tested if:

How to Prepare for the Test

You must sign an informed consent form before you have a bladder biopsy. In most cases, you are asked to urinate just before the procedure. You may also be asked to take an antibiotic before the procedure.

For infants and children, the preparation you can provide for this test depends on your child's age, previous experiences, and level of trust. For general information regarding how you can prepare your child, see the following topics:

How the Test will Feel

You may have a slight discomfort as the cystoscope is passed through your urethra into your bladder. You will feel discomfort that is similar to a strong urge to urinate when the fluid has filled your bladder.

You may feel a pinch during the biopsy. There may be a burning sensation when the blood vessels are sealed to stop bleeding (cauterized).

After the cystoscope is removed, your urethra may be sore. You may feel a burning sensation during urination for a day or two. There may be blood in the urine. In most cases, this will go away on its own.

In some cases, the biopsy needs to be taken from a large area. In that case, you may need general anesthesia or sedation before the procedure.

Why the Test is Performed

This test is most often done to check for cancer of the bladder or urethra.

Normal Results

The bladder wall is smooth. The bladder is of a normal size, shape, and position. There are no blockages, growths, or stones.

What Abnormal Results Mean

The presence of cancer cells indicates bladder cancer. The type of cancer can be determined from the biopsy sample.

Other abnormalities may include:

Risks

There is some risk for urinary tract infection.

There is a slight risk for excessive bleeding. There may be a rupture of the bladder wall with the cystoscope or during biopsy.

There is also a risk that the biopsy will fail to detect a serious condition.

Considerations

You will likely have a small amount of blood in your urine shortly after this procedure. If the bleeding continues after you urinate, contact your health care provider.

Also contact your provider if:

Related Information

Cancer
Cyst
Ulcers
Diverticulitis

References

Bent AE, Cundiff GW. Cystourethroscopy. In: Baggish MS, Karram MM, eds. Atlas of Pelvic Anatomy and Gynecologic Surgery. 4th ed. Philadelphia, PA: Elsevier; 2016:chap 122.

Duty BD, Conlin MJ. Principles of urologic endoscopy. In: Wein AJ, Kavoussi LR, Partin AW, Peters CA, eds. Campbell-Walsh Urology. 11th ed. Philadelphia, PA: Elsevier; 2016:chap 7.

National Institute of Diabetes and Digestive and Kidney Diseases website. Cystoscopy and ureteroscopy. www.niddk.nih.gov/health-information/health-topics/diagnostic-tests/cystoscopy-ureteroscopy. Updated June 2015. Accessed June 9, 2018.

Smith TG, Coburn M. Urologic surgery. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 72.

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Review Date: 5/31/2018  

Reviewed By: Sovrin M. Shah, MD, Assistant Professor, Department of Urology, The Icahn School of Medicine at Mount Sinai, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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