MedicalTerminology DB
Tests, Imaging & Diagnosis

nuclear medicine scan

Meaning of nuclear medicine scan: A method of diagnostic imaging that uses very small amounts of radioactive material.

Definition of nuclear medicine scan

A method of diagnostic imaging that uses very small amounts of radioactive material. The patient is injected with a liquid that contains the radioactive substance, which collects in the part of the body to be imaged. Sophisticated instruments detect the radioactive substance in the body and process that information into an image.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.