A Percutaneous nephrostomy (PCN) is a interventional test of the kidney. It shows a tube placed into a blocked kidney to drain urine. Typical effective dose 1 to 3 mSv, similar to about 4 months to 1 year of natural background radiation (about 3 mSv a year).
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
A tube placed into a blocked kidney to drain urine.
Infected or blocked kidney.
Blood tests for clotting are usually needed; blood thinners may need to be paused only on your doctor's advice. Fasting for a few hours is common.
Typical effective dose 1 to 3 mSv, similar to about 4 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
about 1 hour. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Interventional
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does a pcn show?
A tube placed into a blocked kidney to drain urine.
Why is a pcn done?
Infected or blocked kidney.
How do I prepare for a pcn?
Blood tests for clotting are usually needed; blood thinners may need to be paused only on your doctor's advice. Fasting for a few hours is common.
Does a pcn use radiation?
Typical effective dose 1 to 3 mSv, similar to about 4 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
How long does a pcn take?
about 1 hour
Why is Percutaneous nephrostomy (PCN) done?
Infected or blocked kidney.
How do I prepare for Percutaneous nephrostomy (PCN)?
Blood tests for clotting are usually needed; blood thinners may need to be paused only on your doctor's advice. Fasting for a few hours is common.
Is Percutaneous nephrostomy (PCN) safe in pregnancy?
Typical effective dose 1 to 3 mSv, similar to about 4 months to 1 year of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
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