UPJ Obstruction
Alternate Names : Ureteropelvic Junction Obstruction, PUJ Obstruction, Pelvo-Uretero Junction Obstruction
How is the condition diagnosed?
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The healthcare provider will suspect a UPJ obstruction if the renal pelvis and kidneys are dilated. This dilation is known as hydronephrosis, and can be detected with a pregnancy ultrasound. It should be confirmed with another ultrasound after the baby is born.
Other diagnostic tests include:
Doppler ultrasound to measure the blood flow to the kidney
intravenous pyelogram, which allows the kidneys to be visualized under x-ray
renal scintigraphy, involves the injection of radio-nuclide tracer into a vein in the arm. The images produced from technique are helpful in assessing kidney function.
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