Excretory urography is a diagnostic test used to evaluate the structure and functioning of the urinary system, in case of suspected renal mass, such as tumors, stones, or genetic abnormalities, for example.
Generally, excretory urography is performed by the urologist, in the case of men, or the gynecologist, in the case of women, especially when there are symptoms such as blood in the urine, pain in the urinary tract, or frequent urinary tract infections. .
- Excretory urography uses a contrast of iodine injected into the vein that reaches the urinary tract and facilitates its observation by x-rays.
The price of excretory urography is about 450 reais, but it can be done as part of the health plan to about 300 reais.
Preparation for excretory urography should include an 8-hour fast and intestinal cleansing with laxatives or oral enemas, as recommended by your doctor.
Excretory urography is performed with the individual lying on his or her back and without anesthesia, and before the start of the scan an x-ray of the abdomen is performed, then an iodine contrast product is injected into the vein, which is quickly removed by the urine, allowing the entire urinary tract of the kidneys to be observed in the urethra, for this more x-rays are taken , one just after the injection of the contrast medium, another 5 minutes later and two more, 10 and 15 minutes later.
In addition, your doctor, depending on the problem studied, may order an X-ray before and after draining your bladder.
During excretory urography, the patient may experience body heat, good metallic taste, nausea, vomiting or allergy due to the use of a contrast product.
The risks of excretory urography are mainly related to skin allergic reactions caused by the injection of contrast, so it is recommended to drink plenty of water to help quickly eliminate body contrast and be aware of symptoms such as itching, hives, headaches, coughing. nasal congestion, for example.
Indications for excretory urography include patients with renal impairment or hypersensitivity to contrast products.