Cystography
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| Cystography | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Cystography image showing contrast in the urinary bladder and left ureter (right side of image). | |
| Specialty | Lua error in package.lua at line 80: module 'Module:GetParameters' not found. |
| ICD-9 | 87.77 |
| OPS-301 code | 3-13f |
In radiology and urology, a cystography (also known as cystogram) is a procedure used to visualise the urinary bladder.
Using a urinary catheter, radiocontrast is instilled in the bladder, and X-ray imaging is performed. Cystography can be used to evaluate bladder cancer, vesicoureteral reflux, bladder polyps, and hydronephrosis. It requires less radiation than pelvic CT, although it is less sensitive and specific than MRI or CT. In adult cases, the patient is typically instructed to void three times, after which a post voiding image is obtained to see how much urine is left within the bladder (residual urine), which is useful to evaluate bladder contraction dysfunction. A final radiograph of the kidneys after the procedure is finished is performed to evaluate for occult vesicoureteral reflux that was not seen during the procedure itself.[1]
CT cystography
CT cystography is performed by filling up the urinary bladder using diluted iodinated contrast to visualise any bladder injury if the subject has haematuria (blood in urine) post trauma. Since CT cystography can be done together with CT abdomen and pelvis, it has supplanted conventional cystography in such cases.[2]
See also
References
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- ^ Page Module:Citation/CS1/styles.css has no content."ASRT - Cystogram Information Page". American Society of Radiologic Technologists. Archived from the original on December 6, 2010. Retrieved July 1, 2010.
- ^ Page Module:Citation/CS1/styles.css has no content.Peng MY, Parisky YR, Cornwell EE, Radin R, Bragin S (November 1999). "CT cystography versus conventional cystography in evaluation of bladder injury". AJR. American Journal of Roentgenology. 173 (5): 1269–72. doi:10.2214/ajr.173.5.10541103. PMID 10541103.
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