Pyelogram

Pyelogram is a type of medical imaging procedure that allows physicians to visualize the anatomy and functionality of a patient's kidneys, ureters, and bladder. The procedure involves the injection of a contrast medium into the patient's bloodstream, which then travels to the kidneys and urinary tract, highlighting these areas on an X-ray image.

Procedure

The pyelogram procedure begins with the patient lying on an X-ray table. A radiologist or a trained technician will then inject the contrast medium into a vein, usually in the patient's arm. The contrast medium travels through the bloodstream and eventually reaches the kidneys, where it is filtered out and passes into the ureters and bladder. X-ray images are taken at various stages to visualize the kidneys, ureters, and bladder.

Types of Pyelogram

There are two main types of pyelogram: intravenous pyelogram (IVP) and retrograde pyelogram.

• Intravenous Pyelogram (IVP): This is the most common type of pyelogram. The contrast medium is injected into a vein and images are taken as the contrast medium is filtered by the kidneys and passes through the urinary tract.

• Retrograde Pyelogram: This procedure is used when an IVP is not possible or does not provide sufficient information. In a retrograde pyelogram, the contrast medium is injected directly into the ureters through a cystoscope, a thin tube inserted through the urethra.

Uses

Pyelograms are used to diagnose and monitor a variety of conditions affecting the kidneys and urinary tract. These include:

• Kidney stones
• Tumors
• Infections
• Structural abnormalities
• Blockages

Risks

As with any medical procedure, there are potential risks associated with a pyelogram. These may include:

• Allergic reaction to the contrast medium
• Kidney damage in patients with poor kidney function
• Infection
• Bleeding

Patients should discuss these risks with their doctor before undergoing a pyelogram.

See Also

• Medical imaging
• Radiology
• Kidney disease
• Urinary tract infection

Pyelogram Resources
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