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What is the difference between cystoscopy and cystogram?

Author

John Castro

Published Mar 12, 2026

What is the difference between cystoscopy and cystogram?

A cystogram is very similar to a cystoscopy in terms of the conditions they are used to identify and diagnose. However, they differ procedurally. With a cystoscopy, an X-ray isn’t used to visualize the bladder.

What is a urethrogram test?

A urethrogram is an examination of the urethra by X-ray imaging, almost always carried out on males. This information sheet relates to the procedure being carried out on a male. The urethra is the tube that runs from the bladder through the prostate and penis.

How is urethrogram done?

A retrograde urethrogram is a procedure allowing the urethra to be x-rayed using a contrast dye. The dye is watched on the x-rays as it passes back through the urethra and into the bladder. Urethrograms are done by a radiologist with a radiographer and sometimes a nurse.

Why is a cystogram performed?

A cystogram is a type of imaging scan. It’s done to check for urine (pee) leaking from the connection between your urethra (the tube that carries urine from your bladder to outside your body) and the bladder (see Figure 1).

How is cystogram performed?

During cystography, the healthcare provider will insert a thin tube called a urinary catheter and inject contrast dye into your bladder. The contrast dye will let the healthcare provider see your bladder more clearly. He or she will take X-rays of the bladder. Cystography is sometimes combined with other procedures.

Is a cystogram a CT scan?

CT cystography is a variation of the traditional fluoroscopic cystogram. Instead of anterograde opacification of the urinary collecting system (as with CT urography), contrast is instilled retrograde into the patient’s bladder, and then the pelvis is imaged with CT.

What is the difference between ascending urethrogram and retrograde Urethrogram?

A retrograde urethrography is a routine radiologic procedure (most typically in males) used to image the integrity of the urethra. Hence a retrograde urethrogram is essential for diagnosis of urethral injury, or urethral stricture….Retrograde urethrogram.

Retrograde urethrography
ICD-987.76
OPS-301 code3-13g

What is antegrade urethrogram?

An antegrade urethrogram is a procedure allowing the urethra to be x-rayed when contrast dye passes from the bladder through the urethra. The bladder is first filled with x-ray dye.

How long does a retrograde urethrogram take?

The examination usually takes about 30 minutes.

Can CT scan detect urethral stricture?

Computed tomography (CT) urethrography has the advantage of examining patients only in one position, and by generating three-dimensional images; it can accurately measure the stricture length.

Where is a cystogram performed?

A Cystogram is an examination that takes pictures of your bladder and urethra and is performed by a Radiologist and assisted by an x-ray technologist. A thin flexible tube (catheter) is inserted through your urethra into your bladder.

What is a retrograde Cystogram?

Retrograde cystography is an imaging test that uses X-rays to see the bladder. X-rays are made of the bladder after it has been filled with a contrast dye. The dye lets the radiologist see your bladder and nearby tissues more clearly.

What is the difference between a voiding cystogram and cystography?

Dr Craig Hacking ◉ ◈ and Dr Matt A. Morgan ◉ et al. Cystography is a fluoroscopic study that images the bladder. It is similar to a voiding cystourethrogram (VCUG), and the difference between the studies is primarily one of emphasis; a cystogram focuses on the bladder and a VCUG focuses on the posterior urethra.

What is a cystogram CT scan?

Cystography is a fluoroscopic study that images the bladder. It is similar to a voiding cystourethrogram (VCUG), and the difference between the studies is primarily one of emphasis; a cystogram focuses on the bladder and a VCUG focuses on the posterior urethra. The study has been adapted to CT as a CT cystogram.

Is there a cystogram of the open posterior urethra?

Images are obtained of the open posterior urethra. As this is not a dedicated cystogram, imaging the bladder is a secondary concern. In this case, there is no stricture or leak. Q: What are the two components of the anterior urethra?

What is a normal retrograde urethrogram?

Normal retrograde urethrogram (RUG), followed by a normal voiding cystourethrogram (VCUG). Retrograde urethrogram: The penis is postioned at approximately the 10 o’clock position. The round opaque structure in the distal penis is the inflated Foley balloon.