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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.




Uses


Some indications for retrograde urethrogram are: urethral stricture, urethral trauma, urethral fistula and congenital urethral abnormalities.
There is no absolute contraindication for retrograde urethrogram. There are several relative contraindications such as: allergy to contrast agents, acute urinary tract infection, and recent instrumentation of urethra.




Procedure


A low osmolar contrast agent with concentration of 200 to 300 mg per ml with volume of 20 ml can be used in this study. Warming the contrast medium before infusion into the urethra can help to reduce the chance of getting spasm of external urethral sphincter.
The subject lies down in a supine position. An 8 Fr Foley catheter is connected to a 50 ml syringe. The syringe is flushed to remove any air bubbles within the Foley catheter and the syringe. The tip of the catheter is then inserted into the urethra using aseptic technique until it is parked inside the navicular fossa. The navicular fossa is located just a short distance proximal to the urethral meatus within the glans penis. The balloon of the Foley catheter is then inflated with 2 to 3 ml of water to anchor the catheter and occlude the meatus, thus preventing contrast material from leaking out from the penis. Contrast material is then injected from the syringe with fluoroscopy to visualise the flow of contrast within the penis. The catheter is gently pulled to straighten the penis over the leg of the same side to prevent the overlapping of any pathology in the posterior urethrae. Spot images are taken at 30 to 45 degrees to visualise the entire spongy urethra (penile urethra).
If there is no contraindication to full urinary catheterisation such as false passage or stricture, the urinary catheter should be inserted until the urinary bladder to perform voiding cystourethrography to visualise the prostatic urethra and membranous urethra. Filling up the bladder with contrast material without full catheterisation (the end of catheter inside the urethra) is also possible if the subject is able to relax the bladder neck to allow contrast material to flow into the bladder.
If a urethral injury is suspected, a retrograde urethrography should be performed before attempting to place a Foley catheter into the bladder. If there is a urethral disruption, a suprapubic catheter should be placed.




Complications


Among the possible complications are: urinary tract infection, urethral trauma, and intravasation of contrast medium (contrast going into blood vessels) if excessive pressure is used to overcome a stricture.




See also


Retrograde ureteral, an intervention used to remove kidney stones




References






External links


New England Journal of Medicine procedure videos: Male Urethral catheterization
Ohio State University Patient Education Materials: Retrograde Urethrogram

Kata Kunci Pencarian:

• Retrograde urethrogram
• Urethra
• Penile fracture
• Urethral stricture
• Foley catheter
• Urogenital diaphragm
• Urethroplasty

Retrograde Urethrogram Anatomy

Retrograde Urethrogram - universityretpa

Normal retrograde urethrogram. | Download Scientific Diagram

Normal retrograde urethrogram. | Download Scientific Diagram

April 2024 Retrograde Urethrogram - Hanny Doralyn

Antegrade & retrograde urethrogram | PPT

Antegrade & retrograde urethrogram | PPT

What Is a Retrograde Urethrogram? (with pictures)

Retrograde urethrogram (RGU X-ray): Procedure, Purpose, Results, Normal ...

Urethrogram Anatomy

Antegrade & retrograde urethrogram

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retrograde urethrogram

Daftar Isi

• Retrograde Urethrogram: Purpose, Procedure, Risks & Results
• Retrograde urethrogram - Wikipedia
• Urethrography | Radiology Reference Article | Radiopaedia.org
• Retrograde Urethrogram - Urology Care Foundation
• Normal retrograde urethrogram (RUG) and voiding …
• What is a retrograde urethrogram? - University of Washington
• Urethrogram: Overview, Preparation, Technique - Medscape
• Retrograde Urethrogram (RUG) - Wicha Lab
• Retrograde Urethrogram - Purpose, Results, Normal Range, and …
• Retrograde Urethrogram (RUG) - UT Southwestern Medical …

Retrograde Urethrogram: Purpose, Procedure, Risks & Results

Aug 21, 2023 · A retrograde urethrogram (RUG) is a test that providers use to know if your urethra (the tube that your pee goes through to leave your body) is damaged, blocked or too narrow. A …

Retrograde urethrogram - Wikipedia

A retrograde urethrography [1] 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 …

Urethrography | Radiology Reference Article | Radiopaedia.org

Aug 12, 2024 · retrograde urethrography (RUG) ascending urethrography (ASU) When the posterior urethra is studied during micturition, this has been referred to as: voiding …

Retrograde Urethrogram - Urology Care Foundation

What is a Retrograde Urethrogram? This is a diagnostic test for male patients with trauma, injury or scar tissue involving the urethra. The urethra is the tube that carries urine from the bladder …

Normal retrograde urethrogram (RUG) and voiding …

Retrograde urethrography (RUG) and voiding cystourethrography (VCUG) are complementary studies for evaluating the male urethra. The RUG evaluates the anterior urethra and the …

What is a retrograde urethrogram? - University of Washington

What is a retrograde urethrogram? A retrograde urethrogram is an X-ray exam of the urethra, the tube that carries urine from the bladder to the outside of the body. The exam is used to …

Urethrogram: Overview, Preparation, Technique - Medscape

Dec 14, 2023 · A retrograde urethrogram (RUG) is a diagnostic procedure performed most commonly in male patients to diagnose urethral pathology such as trauma to the urethra or …

Retrograde Urethrogram (RUG) - Wicha Lab

A retrograde urethrogram allows us to evaluate any structural abnormalities in the urethra including narrowed areas (strictures or contractures) and outpouchings (diverticulum).

Retrograde Urethrogram - Purpose, Results, Normal Range, and …

A Retrograde Urethrogram (RUG) is a specialized imaging test used to examine the urethra, the tube that carries urine from the bladder to the outside of the body. This procedure helps …

Retrograde Urethrogram (RUG) - UT Southwestern Medical …

Retrograde Urethrogram (RUG) PURPOSE / CLINICAL INDICATION: • Evaluate caliber and contour of anterior urethra . SPECIAL CONSIDERATIONS / CONTRAINDICATIONS: • …