Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Radionuclide
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Radionuclide: An unstable form of a chemical element that radioactively decays, resulting in the emission of nuclear radiation. Also called a radioisotope.
Need Expert Advice on Your Condition?
Get a personalized video breakdown and treatment plan from our senior neurosurgeons using your MRI/CT scans.
👉 Request MRI Review