A Renal scan in children (MAG3) is a nuclear medicine test of the kidneys. It shows kidney drainage and function in children. Typical effective dose 0.3 to 1 mSv, similar to about 1 to 4 months 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 Renal scan in children (MAG3) is a nuclear medicine test of the kidneys. It shows kidney drainage and function in children. Typical effective dose 0.3 to 1 mSv, similar to about 1 to 4 months of natural background radiation (about 3 mSv a year). What it shows: Kidney drainage and function in children. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Kidney drainage and function in children.
Antenatal hydronephrosis follow-up.
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Typical effective dose 0.3 to 1 mSv, similar to about 1 to 4 months 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.
Nuclear medicine
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 child renal scan show?
Kidney drainage and function in children.
Why is a child renal scan done?
Antenatal hydronephrosis follow-up.
How do I prepare for a child renal scan?
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Does a child renal scan use radiation?
Typical effective dose 0.3 to 1 mSv, similar to about 1 to 4 months 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 child renal scan take?
about 1 hour
Why is Renal scan in children (MAG3) done?
Antenatal hydronephrosis follow-up.
How do I prepare for Renal scan in children (MAG3)?
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.
Is Renal scan in children (MAG3) safe in pregnancy?
Typical effective dose 0.3 to 1 mSv, similar to about 1 to 4 months 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.
SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.