Radiopharmaceuticals

Radiopharmaceuticals are specialised medicinal compounds that contain radioactive isotopes and are used in both diagnostic imaging and targeted therapy. After administration, they localise within specific tissues or biological pathways, allowing clinicians to visualise physiological and metabolic processes using imaging systems such as gamma cameras, SPECT and PET. Diagnostic radiopharmaceuticals are typically selected for their short half-lives and favourable gamma emission properties, ensuring high-quality images while limiting radiation exposure. Commonly used isotopes include technetium-99m and fluorine-18. In therapeutic applications, certain radiopharmaceuticals emit beta or alpha particles to deliver targeted radiation to diseased tissue, particularly in oncology. Their development, production and clinical use are subject to strict regulatory standards to ensure safety, purity and effectiveness.

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